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    2017

    1. O. Zachariadis, V. Mygdalis, I. Mademlis, N.Nikolaidis and I.Pitas, "2D visual tracking for sports UAV cinematography applications" in IEEE Global Conference on Signal and Information Processing (GLOBALSIP), Quebec, Canada, 2017.
    2. P. Chriskos, J. Muhnro, V. Mygdalis and I.Pitas, "Face detection Hindering" in IEEE Global Conference on Signal and Information Processing (GLOBALSIP), Quebec, Canada, 2017.

    2016

    1. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Laplacian One Class Extreme Learning Machines for Human Action Recognition" in IEEE Workshop on Multimedia Signal Processing (MMSP), Montreal, Canada, 2016.
    2. S. Samaras, V. Mygdalis and I.Pitas, "Robustness in Blind Camera Identification", in International Conference on Pattern Recognition (ICPR), Cancun, Mexico, 2016.
    3. A.Iosifidis, A.Tefas, I.Pitas and M.Gabbouj, "A review of approximate methods for kernel-based Big Media Data Analysis", in European Signal Processing Conference (EUSIPCO), Budapest, Hungary, 2016.
    4. C. Avgerinos, N.Nikolaidis, V. Mygdalis and I.Pitas, "Feature extraction and statistical analysis of videos for cinemetric applications" in IEEE Digital Media Industry and Academic Forum (DMIAF), Santorini, Greece, 2016.
    5. E. Kakaletsis, O.Zoidi, A.Tefas, N.Nikolaidis and I.Pitas, "Fast Label Propagation on Facial Images Using a Pruned Similarity Matrix" in IEEE Digital Media Industry & Academic Forum (DMIAF), Santorini, Greece, 2016.
    6. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "One Class Classification applied in facial image analysis" in IEEE International Conference on Image Processing (ICIP), Phoenix, Arizona, USA, 2016.
    7. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Kernel Subclass Support Vector Description for Face and Human Action Recognition" in International Workshop on Sensing, Processing and Learning for Intelligent Machines (SPLINE), Aalborg, Denmark, 2016.
    8. T. Theodoridis, A.Tefas and I.Pitas, "Multiview semantic temporal video segmentation" in IEEE International Conference on Image Processing (ICIP), Phoenix, Arizona, USA, 2016.
    9. I. Mademlis, A.Tefas, N.Nikolaidis and I.Pitas, "Movie Shot Selection Preserving Narrative Properties" in IEEE Workshop on Multimedia Signal Processing (MMSP), Montreal, Canada, 2016.
    10. V. Mygdalis, A.Tefas and I.Pitas, "Exploiting local and global geometric data relationships in Support Vector Data Description", in International Conference on Pattern Recognition (ICPR), Cancun, Mexico, 2016.

    2015

    1. O.Zoidi, N.Nikolaidis, A.Tefas and I.Pitas, "Multi-modal label propagation based on a higher order similarity matrix", in IEEE International Workshop on Machine Learning for Signal Processing (MLSP), Boston, USA, p. 1-6, September 17-20, 2015.
    2. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Exploiting Subclass Information in One-class Support Vector Machine for Video Summarization" in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brisbane, Australia, 19-24 April, 2015.
    3. K. Papachristou, A.Tefas and I.Pitas, "Exploiting Symmetry in Two-Dimensional Clustering-Based Discriminant Analysis for Face Recognition" in European Signal Processing Conference (EUSIPCO), Nice, France, 2015.
    4. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Kernel Matrix Trimming for Improved Kernel k-Means Clustering" in IEEE International Conference on Image Processing (ICIP), Quebec, Canada, 2015.
    5. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Distributed, MapReduce-based Nearest Neighbor and e-ball Kernel k-Means" in IEEE Symposium Series on Computational Intelligence (SSCI), Cape Town, South Africa, 2015.
    6. N.Tsapanos, A.Tefas, N.Nikolaidis, A.Iosifidis and I.Pitas, "Fast Kernel Matrix Computation for Big Data Clustering" in International Conference on Computational Science (ICCS), Reykjavík, Iceland, 2015.
    7. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Large-scale classification by an Approximate Least Squares One-Class Support Vector Machine ensemble" in IEEE International Conference on Big Data Science and Engineering (BigDataSE), Helsinki, Finland, 2015.
    8. A.Iosifidis, A.Tefas and I.Pitas, "Nearest Class Vector Classification for Large-Scale Learning Problems" in IEEE International Conference on Big Data Science and Engineering (BigDataSE), Helsinki, Finland, 2015.
    9. A.Iosifidis, A.Tefas and I.Pitas, "Class-specific nonlinear subspace learning based on optimized class representation" in European Signal Processing Conference (EUSIPCO), Nice, France, 2015.
    10. A.Iosifidis, A.Tefas and I.Pitas, "Regularized Extreme Learning Machine for large-scale media content analysis" in International Neural Network Society (INNS) Conference on Big Data, San Francisco, USA, 2015.
    11. A.Iosifidis, A.Tefas and I.Pitas, "Merging Linear Discriminant Analysis with Bag of Words model for Human Action Recognition" in IEEE International Conference on Image Processing (ICIP), Quebec, Canada, 2015.
    12. A.Iosifidis, A.Tefas and I.Pitas, "Large-scale nonlinear facial image classification based on Approximate Kernel Extreme Learning Machine" in IEEE International Conference on Image Processing (ICIP), Quebec, Canada, 2015.
    13. A.Iosifidis, A.Tefas and I.Pitas, "Enhancing Class Discrimination in Kernel Discriminant Analysis" in IEEE International Conference on Acoustics,Speech and Signal Processing (ICASSP), Brisbane, Australia, 19-24 April, 2015.
    14. A.Iosifidis, A.Tefas and I.Pitas, "Enhancing ELM-based facial image classification by exploiting multiple facial views" in International Conference on Computational Science (ICCS), Reykjavík, Iceland, 2015.
    15. K. Papachristou, A.Tefas and I.Pitas, "Facial Image Analysis based on Two-Dimensional Linear Discriminant Analysis Exploiting Symmetry" in IEEE International Conference on Image Processing (ICIP), Quebec, Canada, 2015.
    16. P. Chriskos, O.Zoidi, A.Tefas and I.Pitas, "De-Identifying Facial Images Using Projections on Hyperspheres" in Automatic Face and Gesture Recognition (FG), 11th IEEE International Conference and Workshops, Ljubljana, vol. 04, pp. 1-6, 4-8 May, 2015.
    17. A.Maronidis, A.Tefas and I.Pitas, "Graph Embedding Exploiting Subclasses" in IEEE Symposium Series on Computational Intelligence (SSCI), Cape Town, South Africa, pp. 1452-1459, December 8-10, 2015.
    18. J. Blat, A. Evans, J. Agenjo, K. Hansung, E. Imre, A. Hilton, A.Tefas, N.Nikolaidis, I.Pitas and L. Polok, P. Smrz, P. Zemcik, "IMPART: Big media data processing and analysis for film production" in IEEE International Conference on Multimedia Expo Workshops (ICMEW), Torino, Italy, pp. 1-5, June 29 - July 3, 2015.
    19. A.Iosifidis, A.Tefas and I.Pitas, "Single-Hidden Layer Feedforward Neual Network Training Using Class Geometric Information" in Studies in Computational Intelligence, Springer, vol. 620, pp 351-364, November 2015, Revised selected paper from IJCCI2014, 2015.
    20. I.Kapsouras, A.Tefas, N.Nikolaidis and I.Pitas, "Multimodal Speaker Diarization Utilizing Face Clustering Information" in Proc. Int. Conf. on Image and Graphics: (ICIG), Tianjin, China, pp. 547-554, August 13-16, 2015.
    21. I. Mademlis, N.Nikolaidis and I.Pitas, "Stereoscopic video description for key-frame extraction in movie summarization" in European Signal Processing Conference (EUSIPCO), Nice, France, pp. 819-823, 31 August - 4 September, 2015.
    22. A.Maronidis, A.Tefas and I.Pitas, "Subclass Marginal Fisher Analysis" in IEEE Symposium Series on Computational Intelligence (SSCI), Cape Town, South Africa, pp. 1391-1398, December 8-10, 2015.
    23. F. Patrona, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Visual voice activity detection based on spatiotemporal information and bag of words" in IEEE International Conference on Image Processing (ICIP), Quebec, Canada, pp. 2334-2338, 2015.

    2014

    1. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Supervised video summarization by content-based video segment selection” (short)" in European Conference on Visual Media Production (CVMP), London, U.K, 2014.
    2. I. Tsingalis, I. Pipilis and I.Pitas, "A statistical and clustering study on YouTube 2D and 3D video recommendation graph" in 6th International Symposium on Communications, Control, and Signal Processing (ISCCSP 2014), Athens, Greece, 2014.
    3. N.Bassiou, C.Kotropoulos and I.Pitas, "Greek folk music denoising under a symmetric a-stable noise assumption" in Proc. 10th Int. Conf. Heterogeneous Networking for Quality, Reliability, Security, and Robustness (QSHINE 2014), Rhodes, August 18-20, 2014 (invited).
    4. K. Papachristou, A.Tefas and I.Pitas, "Subspace Learning with Enriched Databases Using Symmetry" in the First Euro-China Conference on Intelligent Data Analysis and Applications (ECC), Shenzhen, China, 2014.
    5. A.Iosifidis, A.Tefas and I.Pitas, "Computational Intelligence Approaches for Digital Media Analysis and Description" in Euro-China Conference on Intelligent Data Analysis and Applications (ECC), Shenzhen, China, 2014.
    6. M.Liu, I. Mademlis, P. Ndjiki-Nya, J.C Le Quintrec, N.Nikolaidis and I.Pitas, "Efficient Automatic Detection of 3D Video Artifacts" in IEEE International Workshop on Multimedia Signal Processing (MMSP), Jakarta, Indonesia, 2014.
    7. A.Iosifidis, A.Tefas and I.Pitas, "Human Action Recognition in Stereoscopic Videos based on Bag of Features and Disparity Pyramids" in European Signal Processing Conference (EUSIPCO), Lisbon, Portugal, 2014.
    8. P. Chriskos, O.Zoidi, A.Tefas and I.Pitas, "De-identifying facial images using singular value decomposition" in IEEE International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO), Opatija/Abbazia, Croatia, 2014.
    9. G.Orphanidis, N.Nikolaidis, A.Tefas and I.Pitas, "Stereo facial image clustering using double spectral analysis" in International Conference on Electrical and Computer Engineering (ICECE), Dhaka, Bangladesh, 2014.
    10. G.Orphanidis, A.Tefas, N.Nikolaidis and I.Pitas, "Facial Image Clustering in Stereo Videos Using Local Binary Patterns and Double Spectral Analysis" in IEEE Symposium Series on Computational Intelligence (SSCI), Orlando, Florida, USA, 2014.
    11. A.Iosifidis, A.Tefas and I.Pitas, "Minimum Variance Extreme Learning Machine for Human Action Recognition" in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Florence, Italy, 2014 (Code).
    12. A.Iosifidis, A.Tefas and I.Pitas, "Semi-supervised classification of human actions based on Neural Networks" in IEEE International Conference on Pattern Recognition (ICPR), Stockholm, Sweden, 2014.
    13. A.Iosifidis, A.Tefas and I.Pitas, "Human Action Recognition based on Bag of Features and Multi-view Neural Networks" in IEEE International Conference on Image Processing (ICIP), Paris, France, 2014.
    14. A.Iosifidis, A.Tefas and I.Pitas, "Exploiting Local Class Information in Extreme Learning Machine" in International Joint Conference on Computational Intelligence (IJCCI): International Conference on Neural Computation Theory and Applications (NCTA), Rome, Italy, 2014 (Code).
    15. N. Kourous, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Video Characterization based on Activity Clustering" in International Conference on Electrical and Computer Engineering (ICECE), Dhaka, Bangladesh, 2014.
    16. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Large graph clustering using DCT-based graph clustering" in IEEE Symposium on Computational Intelligence in Big Data (CIBD), Orlando, USA, pp. 1-4, December 9-12, 2014.
    17. M. Ivasic-Kos, A.Iosifidis, A.Tefas and I.Pitas, "Person De-identification in Activity Videos" in IEEE International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO), Opatija/Abbazia, Croatia, 2014.
    18. K. Papachristou, N.Nikolaidis and I.Pitas, "M. Liuni, L. Benaroya, G. Peeters, A. Roebel, A. Linnemann, M. Liu and S. Gerke,"The Use of the MPEG-7 AVDP Profile in 3D AudioVisual Content Description" in the EBU MDN Workshop 2014, Geneva, Switzerland, 2014.
    19. K. Papachristou, A.Tefas, N.Nikolaidis and I.Pitas, "Stereoscopic Video Shot Classification based on Weighted Linear Discriminant Analysis" in the IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2014), Reims, France, 2014.
    20. K. Papachristou, N.Nikolaidis and I.Pitas, "A. Linnemann, M. Liu and S. Gerke,"Human-centered 2D/3D Video Content Analysis and Description" in International Conference on Electrical and Computer Engineering (ICECE), Dhaka, Bangladesh, 2014.
    21. K. Papachristou, A.Tefas, N.Nikolaidis and I.Pitas, "Stereoscopic Video Shot Clustering into Semantic Concepts based on Visual and Disparity Information" in IEEE International Conference on Image Processing (ICIP), Paris, France, 2014.
    22. I.Pitas, K. Papachristou and N.Nikolaidis, "M. Liuni, L. Benaroya, G. Peeters, A. Roebel, A. Linnemann, M. Liu and S. Gerke, "2D/3D AudioVisual Content Analysis & Description" in the IEEE 16th International Workshop on Multimedia Signal Processing (MMSP 2014), Jakarta, Indonesia, 2014.
    23. A.Iosifidis, A.Tefas and I.Pitas, "Multi-view Regularized Extreme Learning Machine for Human Action Recognition" in Conference on Artificial Intelligence (SETN): Methods and Applications, Ioannina, Greece, 2014.
    24. V. Mygdalis, A.Iosifidis, A.Tefas and I.Pitas, "Video summarization based on subclass Support Vector Data Description" in IEEE Symposium Series on Computational Intelligence (SSCI): Computational Intelligence for Engineering Solutions, Orlando, Florida, 2014.
    25. I. Mademlis, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Stereoscopic Video Description for Human Action Recognition" in IEEE Symposium Series on Computational Intelligence (SSCI): Computational Intelligence for Multimedia, Signal and Vision Processing, Orlando, Florida, 2014.
    26. I. Tsingalis, A.Tefas, N.Nikolaidis and I.Pitas, "Shot type characterization in 2D and 3D video content" in IEEE International Workshop on Multimedia Signal Processing (MMSP), Jakarta, Indonesia, 2014.
    27. N. Mpountouropoulos, A.Tefas, N.Nikolaidis and I.Pitas, "Visual Information Analysis for Big-Data Using Multi-core Technologies" in First Euro-China Conference on Intelligent Data Analysis and Applications, Shenzhen, China, vol. 297, pp. 309-316, 2014.
    28. O.Zoidi, A.Tefas, N.Nikolaidis and I.Pitas, "Iterative Label Propagation on facial images" in European Signal Processing Conference (EUSIPCO), Lisbon, Portugal, 2014.
    29. O.Zoidi, N.Nikolaidis and I.Pitas, "Semi-supervised dimensionality reduction on data with multiple representations for label propagation on facial images" in 39th International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014), Florence, Italy, 2014.
    30. O.Zoidi, N.Nikolaidis and I.Pitas, "Label Propagation on data with multiple representations through multi-graph locality preserving projections" in IEEE International Conference on Image Processing (ICIP), Paris, France, 2014.

    2013

    1. T.Theodoridis, K. Papachristou, N.Nikolaidis and I.Pitas, "Object motion description in stereoscopic videos" in International Conference on 3D Imaging (IC3D), Liege, Belgium, pp. 1-7, 3-5 December, 2013.
    2. A.Iosifidis, A.Tefas and I.Pitas, "Dynamic Action Classification based on Iterative Data Selection and Feedforward Neural Networks" in European Signal Processing Conference (EUSIPCO), Marrakech, Morocco, 2013.
    3. O.Zoidi, A.Tefas and I.Pitas, "Exploiting Discriminant and SVM Constraints in NMF" in 21st European Signal Processing Conference (EUSIPCO 2013), Marrakech, Morocco, September 9-13, 2013.
    4. E. Giouvanakis, C.Kotropoulos, A. Theodoridis and I.Pitas, "A game with a purpose for annotating Greek folk music in a web content management system" in Proc. 18th Int. Conf. Digital Signal Processing, Santorini, Greece, July 1-3, 2013.
    5. G.Chantas, N.Nikolaidis and I.Pitas, "Variational Bayesian Inference for Stereo Object Tracking" in 38th International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2013), Vancouver, Canada, May 26-31, 2013.
    6. A.Iosifidis, A.Tefas and I.Pitas, "Active Classification for Human Action Recognition" in IEEE International Conference on Image Processing (ICIP), Melbourne, Australia, 2013.
    7. S.Delis, N.Nikolaidis and I.Pitas, "Automatic 3D Defects Identification in Stereoscopic Videos" in 20th IEEE International Conference on Image Processing (ICIP), Melbourne, Australia, September 15-18, 2013.
    8. O.Zoidi, A.Tefas and I.Pitas, "Exploiting the SVM constraints in NMF with Apllication in Eating and Drinking Activity recognition" in IEEE International Conference on Image Processing (ICIP 2013), Melbourne, Australia, September 15-18, 2013.
    9. A.Iosifidis, A.Tefas and I.Pitas, "Multi-view human action recognition: a review" in IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP), Beijing, China, 2013.
    10. A.Iosifidis, A.Tefas and I.Pitas, "Representative Class Vector Clustering based Discriminant Analysis" in IEEE International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP), Beijing, China, 2013.
    11. N.Nikolaidis, I.Pitas, K. Gorgulu, M.Liu, A. Robel and E. E. Tsiropoulou, "3DTV Audiovisual Content Analysis and Description" in 11th IEEE IVMSP Workshop : 3D Image/Video Technologies and Applications, Seoul, Korea, June 10-12, 2013.
    12. G.Chantas, N.Nikolaidis and I.Pitas, "A Bayesian Methodology for Visual Object Tracking on Stereo Sequences" in 11th IEEE IVMSP Workshop : 3D Image/Video Technologies and Applications, Seoul, Korea, June 10-12, 2013.
    13. S.Delis, N.Nikolaidis and I.Pitas, "Automatic Detection of Depth Jump Cuts and Bent Window Effects in Stereoscopic Videos" in 11th IEEE IVMSP Workshop : 3D Image/Video Technologies and Applications, Seoul, Korea, June 10-12, 2013.
    14. A.Iosifidis, A.Tefas and I.Pitas, "View-independent Human Action Recognition based on Multi-view Action Images and Discriminant Learning" in IEEE Image, Video and Multidimensional Signal Processing (IVMSP): 3D Image/Video Technologies and Applications, Seoul, Korea, 2013.
    15. A.Iosifidis, A.Tefas and I.Pitas, "Person Identification from Actions based on Dynemes and Discriminant Learning" in IEEE International Workshop on Biometrics and Forensics (IWBF), Lisbon, Portugal, 2013.
    16. G.Orphanidis, N.Nikolaidis and I.Pitas, "Facial image clustering in single channel and stereo video content." in Proc. Int. Workshop Biometrics and Forensics, Lisbon, Portugal, 4, April 4-5, 2013.
    17. N. Papanikoloudis, S.Delis, N.Nikolaidis and I.Pitas, "Semantic Description in Stereo Video Content for Surveillance Applications" in International Workshop on Biometrics and Forensics (IWBF 2013), Lisbon, Portugal, April 4-5, 2013.
    18. A.Tefas, A.Iosifidis and I.Pitas, "Neural Networks for Digital Media Analysis and Description" in Engineering Applications of Neural Networks (EANN), Chalkidiki, Greece, 2013.
    19. G.Orphanidis, N.Nikolaidis and I.Pitas, "Facial Image Clustering in 3D Video Using Constrained Ncut" in 21st European Signal Processing Conference (EUSIPCO-2013), Marrakech, Morocco, 5, September 9-13, 2013.
    20. S.Nikitidis, A.Tefas and I.Pitas, "Maximum Margin Discriminant Projections for Facial Expression Recognition" in 21st European Signal Processing Conference (EUSIPCO 2013), Marrakech, Morocco, September 9-13, 2013.
    21. A.Iosifidis, A.Tefas and I.Pitas, "Person Identification from Actions based on Artificial Neural Networks" in IEEE Symposium Series on Computational Intelligence (SSCI): Computational Intelligence in Biometrics and Identity Management, Singapore, 2013.
    22. O.Zoidi, N.Nikolaidis and I.Pitas, "Appearance Based Object Tracking in Stereo Sequences" in 38th International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2013), Vancouver, Canada, May 26-31, 2013.
    23. O.Zoidi, N.Nikolaidis and I.Pitas, "Exploiting Clustering and Stereo Information in Label Propagation of Facial Images" in IEEE Symposium Series on Computational Intelligence (SSCI 2013), Singapore, April 16-19, 2013.

    2012

    1. N.Vretos, A.Tefas and I.Pitas, "Facial Expression Recognition with Robust Covariance Estimation and SupporVector Machines", in IEEE International Workshop on Machine Learning for Signal Processing, Santander, Spain, September 24-27, 2012.
    2. O.Zoidi, N.Nikolaidis and I.Pitas, "Exploiting disparity information in visual object tracking" in 3DTV-CON, ETH Zurich, October 15-17, 2012.
    3. G.Chantas, N.Nikolaidis and I.Pitas, "Variational Bayesian Inference for Forward Backward Visual Tracking in Stereo Sequences" in Proc. IEEE 2012 International Conference on Image Processing, Orlando, Florida, USA, September 30 - October 3, 2012.
    4. O.Zoidi, A.Tefas and I.Pitas, "Visual Object Tracking via Gabor-based Salient Features Extraction" in 20th European Signal Processing Conference (EUSIPCO), Buchares, Romania, August 27-31, 2012.
    5. N.Tsapanos, I.Pitas and N.Nikolaidis, "Graph Representations using Adjacency Matrix Transforms for Clustering" in 16th IEEE Mediterranean Electrotechnical Conference, Hammame, Tunisia, 25-28 March, 2012.
    6. A.Iosifidis, A.Tefas and I.Pitas, "Multi-view Human Action Recognition Under Occlusion Based on Fuzzy Distances and Neural Networks" in Proc. 2012 European Signal Processing Conference, Bucharest, Romania, August 27-31, 2012.
    7. A.Iosifidis, E.Marami, A.Tefas and I.Pitas, "Eating and drinking activity recognition based on discriminant analysis of fuzzy distances and activity volumes" in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2012), Kyoto, Japan, March, 2012.
    8. A.Iosifidis, A.Tefas and I.Pitas, "Discriminant Action Representation for View-Invariant Person Identification" in Proc. IEEE 2012 International Conference on Image Processing, Orlando, Florida, USA, September 30 - October 3, 2012.
    9. A.Iosifidis, A.Tefas and I.Pitas, "Neural representation and learning for multi-view human action recognition" in 2012 IEEE International Joint Conference on Neural Networks (IJCNN), ΙΕΕΕ World Congress on Computational Intelligence, Brisbane, Australia, June 15-20, 2012.
    10. S. Karavarsamis, I.Pitas and N. Ntarmos, "Recognizing pornographic images" in Proc. 14th ACM Workshop on Multimedia and Security, Coventry, UK, September 6-7, 2012.
    11. I. Tsingalis, N.Vretos, N.Nikolaidis and I.Pitas, "SVM-based Shot Type Classification of Movie Content" in Proc. of 9th Mediterranean Electro technical Conference, Istanbul, Turkey, pp. 104-107, 16-18 October, 2012.
    12. I. Tsingalis, N.Vretos, N.Nikolaidis and I.Pitas, "Anthropocentric Descriptors and Description Schemes for Multi-View Video Content" in 16th IEEE Mediterranean Electrotechnical Conference, Yasmine Hammamet, Tunisia, 25-28 March, 2012.
    13. N.Vretos, N.Nikolaidis and I.Pitas, "The Use of Audio-Visual Description Profile in 3D Video Content Description" in 3DTV-Conference, Zurich, October 15-17, 2012.
    14. N.Vretos, N.Nikolaidis and I.Pitas, "Using the MPEG-7 Audio-Visual Description Profile for 3D Video Content Description" in NEM Summit, Istanbul, Turkey, 16-18 October, 2012.
    15. O.Zoidi, A.Tefas and I.Pitas, "Visual Object Tracking Based on the Object's Salient Features with Application in Automatic Nutrition Assistance" in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Kyoto, Japan, 25-30 March, 2012.

    2011

    1. C.Chrysouli, N.Vretos and I.Pitas, "Face Clustering in videos based on Spectral Clustering Techniques" in Asian Conference on Pattern Recognition (ACPR2011), Beijing, China, November, 2011.
    2. C.Cotsaces, N.Nikolaidis and I.Pitas, "Recognizing real world objects using multiple views" in European Signal Processing Conference (EUSIPCO), 2011.
    3. M.Holte, T.Moeslund, N.Nikolaidis and I.Pitas, "3D Human Action Recognition for Multi-View Camera Systems" in Joint Conference on 3D Imaging, Modeling, Processing, Visualization, Transmission (3DIMPVT 2011), Hangzhou, China, May, 2011.
    4. A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Learning Human Identity Using View-Invariant Multi-view Movement Representation" in Biometrics and ID Management workshop, Springer LNCS, Brandenburg, Germany, March, 2011.
    5. A.Iosifidis, A.Tefas and I.Pitas, "Person specific activity recognition using fuzzy learning and discriminant analysis" in European Signal Processing Conference (EUSIPCO2011), Barchelona, Spain, August, 2011.
    6. M.Kyperountas, A.Tefas and I.Pitas, "Entropy-Based Iterative Face Classification" in Biometrics and ID Management workshop, Springer LNCS, Brandenburg, Germany, March, 2011.
    7. E.Marami, A.Tefas and I.Pitas, "Nutrition Assistance based on Skin Color Segmentation and Support Vector Machines" in International Conference on Man-Machine Interactions (ICMMI2011), Beskids, Poland, October, 2011.
    8. I.Marras, N.Nikolaidis and I.Pitas, "Discriminant Splitting Feature Extraction with Application to View-Independent Object Recognition" in European Signal Processing Conference (EUSIPCO), 2011.
    9. I.Marras, N.Nikolaidis and I.Pitas, "Frontal Facial Pose Recognition using a Discriminant Splitting Feature Extraction Procedure" in 33rd International Conference on Information Technology Interfaces 2011 (ITI 2011), 2011.
    10. G.Moschos, N.Nikolaidis, I.Pitas and K.L.Lyroudia, "A Virtual Anatomical 3D Head, Oral Cavity and Teeth Model for Dental and Medical Applications" in International Conference on Man-Machine Interactions 2011, 2011.
    11. S.Nikitidis, A.Tefas and I.Pitas, "Using Subclasses in Discriminant Non-negative Subspace Learning for Facial Expression Recognition" in Proc. 19th European Signal Processing Conference (EUSIPCO 2011),, Barcelona, Spain, August 29 – September 2, 2011.
    12. S.Nikitidis, A.Tefas, N.Nikolaidis and I.Pitas, "Facial Expression Recognition Using Clustering Discriminant Non-negative Matrix Factorization" in IEEE International Conference in Image Processing (ICIP 2011), Brussels, Belgium, September 11-14, 2011.
    13. S.Nikitidis, A.Tefas and I.Pitas, "Recent Advances in Discriminant Non-negative Matrix Factorization" in Proc. First Asian Conference on Pattern Recognition (ACPR2011), Beijing, China, November 28-30, 2011.
    14. C.Sagonas, I.Pitas, A.Kyrgidis and K.L.Lyroudia, "PROSOPON: a virtual anatomical 3D head model", in International Conference on Image Information Processing, India, November, 2011.
    15. A.Tefas and I.Pitas, "Human Centered Interfaces for Assisted Living" in International Conference on Man-Machine Interactions (ICMMI 2011), Beskids, Poland, October, 2011.
    16. N.Tsapanos, N.Nikolaidis and I.Pitas, "Towards Automated Post-Production and Semantic Annotation of Films", in International Conference on Image Information Processing, Waknaghat, Shimla, Himachal Pradesh, INDIA, November, 2011.
    17. N.Vretos, N.Nikolaidis and I.Pitas, "3D Facial Expression Recognition Using Zernike Moments On Depth Images" in IEEE International Conference in Image Processing (ICIP2011), Brussels, Belgium, September, 2011.
    18. O.Zoidi, A.Tefas and I.Pitas, "Object Tracking Based on Local Steering Kernels for Drinking Activity Recognition" in Information Technology Interfaces (ITI), Cavtat/Dubrovnik, Croatia, June, 2011.

    2010

    1. D.Bolis, A.Maronidis, A.Tefas and I.Pitas, "Improving the Robustness of Subspace Learning Techniques for Facial Expression Recognition" in 20th International Conference on Artificial Neural Networks, Thessaloniki, Greece, September 15-18, 2010.
    2. C.Cotsaces, I.Marras, N.Tsapanos, N.Nikolaidis and I.Pitas, "Human-centered Video Analysis for Multimedia Postproduction" in International Symposium on Electronics and Telecommunications (ISETC) 2010, Timisoara, Romania, November, 2010.
    3. A.Iosifidis, N.Nikolaidis and I.Pitas, "Movement recognition exploiting multi-view information" in IEEE International Workshop on Multimedia Signal Processing, Saint Malo, France, October, 2010.
    4. M. Kasampali, K. Papachristou, K.L.Lyroudia, N.Nikolaidis and I.Pitas, "Modification of root canal geometry after rotary instrumentation with twisted files, assessed by microcomputed tomography" in 8th World Endodontic Congress, Athens, Greece, October, 2010.
    5. A.Maronidis, A.Tefas and I.Pitas, "Frontal view recognition using Spectral Clustering and Subspace Learning methods" in 20th International Conference on Artificial Neural Networks, Thessaloniki, Greece, September 15-18, 2010.
    6. S.Nikitidis, N.Nikolaidis and I.Pitas, "Incremental Training of Multiclass Support Vector Machines" in International Conference on Pattern Recognition (ICPR 2010), Istanbul, Turkey, August 23-26, 2010.
    7. I.Pitas and N.Nikolaidis, "Anthropocentric Video Analysis For Film And Games Postproduction" in CompSysTech 2010, Sofia, Bulgaria, 17-18 May, 2010.
    8. G.Sfyris, N.Nikolaidis and I.Pitas, "Multi-view Object and Human Body Part Detection Utilizing 3D Scene Information" in IEEE ICIP 2010, Singapore, July, 2010.
    9. N.Tsapanos, N.Nikolaidis and I.Pitas, "Studying the Effectiveness of Using Linear Subspace Techniques to Improve SVM Classifiers in Facial Image Classifcation" in International Symposium on Electronics and Telecommunications (ISETC), Timisoara, Romania, November, 2010.
    10. N.Tsapanos, A.Tefas and I.Pitas, "Dynamic Shape Learning and Forgetting" in 20th International Conference on Artificial Neural Networks, Thessaloniki, Greece, pp. 333-338, September, 2010.
    11. D.Zotos, N.Nikolaidis and I.Pitas, "Video Replica Detection Utilizing R-Trees And Frame-Based Voting" in IEEE International Conference on Multimedia and Expo (ICME 2010), Singapore, July, 2010.

    2009

    1. N.Gkalelis, N.Nikolaidis and I.Pitas, "View independent human movement recognition from multi-view video exploiting a circular invariant posture representation" in Proc. IEEE International Conference on Multimedia and Expo (ICME 2009), New York, USA, June - July, 2009.
    2. N.Gkalelis, A.Tefas and I.Pitas, "Fusion of movement specific human identification experts" in Proc Joint COST 2101 & COST 2102 International Conference on Biometric ID Management and Multimodal Communication, Madrid, Spain, September, 2009.
    3. N.Gkalelis, A.Tefas and I.Pitas, "Human identification from human movements" in IEEE International Conference on Image Processing (ICIP 2009), Cairo, Egypt, November, 2009.
    4. N.Gkalelis, H.Kim, A.Hilton, N.Nikolaidis and I.Pitas, "The i3DPost multi-view and 3D human action/interaction database" in 6th Conference on Visual Media Production (CVMP 2009), London, UK, Nov, 2009.
    5. G.Goudelis, A.Tefas and I.Pitas, "Using Mutual Information to Indicate Facial Poses in Video Sequences" in ACM International Conference on Image and Video Retrieval, July 8 - 10, 2009.
    6. I.Kotsia, N.Nikolaidis and I.Pitas, "Frontal Facial View Recognition in Video Sequences using DNMF and SVMs" in Proc. of 2009 IEEE International Conference on Multimedia and Expo, New York, New York, USA, 28 June-3 July, 2009.
    7. M.Kyperountas and I.Pitas, "Facial Expression Recognition Using Two-Class Discriminant Features" in Biometric ID Management and Multimodal Communication, Berlin, 89-96, September, 2009.
    8. M.Kyperountas, A.Tefas and I.Pitas, "Pairwise Facial Expression Classification" in MMSP 2009, Brazil, 1-4, OCTOBER, 2009.
    9. N.Nikolaidis and I.Pitas, "Still Image and Video Fingerprinting" in 7th International Conference on Advances in Pattern Recognition (ICAPR 2009), Kolkata, India, invited paper – keynote speech of I. Pitas, February, 2009.
    10. N.Vretos, N.Nikolaidis and I.Pitas, "A Model Based Facial Expression Recognition Algorithm using the Eigendecomposition of the Gram Matrix" in Proc. of Int. Conf. on Image Processing (ICIP 2009), Cairo, Egypt, 7-11 November, 2009.
    11. N.Vretos, N.Nikolaidis and I.Pitas, "A Perceptual Hashing Algorithm Using Latent Dirichlet Allocation" in Proc. of Int. Conf. on Multimedia and Expo (ICME 2009), New York, New York, USA, June 28 - July 3, 2009.

    2008

    1. N.Barbalios, N.Nikolaidis and I.Pitas, "3D Human Face Modelling >From Uncalibrated Images Using Spline Based Deformation" in 3rd International Conference on Computer Vision Theory and Applications (VISAPP 2008), Funchal Madeira, Portugal, January, 2008.
    2. I.Buciu, I.Pitas and I.Nafornita, "Holistic and Local Image Representations for Human Face Analysis" in IEEE International Conference on Communications, Bucharest, Romania, pp. 137 - 144, June 05-07, 2008.
    3. I.Buciu, I.Pitas and I.Nafornita, "Global Gabor features for rotation invariant object classification" in Proc. IEEE Fourth International Conference on Intelligent Computer Communications and Processing (ICCP), Cluj-Napoca, Romania, pp. 41 - 46, August 28-30, 2008.
    4. I.Buciu, I.Nafornita and I.Pitas, "Facial Expression Recognition under Noisy Environment Using Gabor Filters" in Proc. IEEE International Symposium on Electronics and Telecommunications (ETC), Timisoara, Romania, September 25-26, 2008.
    5. N.Gkalelis, A.Tefas and I.Pitas, "Human movement recognition using fuzzy clustering and discriminant analysis" in Proc. 16th European Signal Processing Conference (EUSIPCO 2008), Lausanne, Switzerland, August, 2008.
    6. N.Gkalelis, A.Tefas and I.Pitas, "Sparse human movement representation and recognition" in Proc. IEEE 2008 International Workshop on Multimedia Signal Processing (MMSP 2008), Cairns, Australia, October, 2008.
    7. G.Goudelis, S.Zafeiriou, A.Tefas and I.Pitas, "Motivating class-specific nonlinear projections for face verification" in 2008 IEEE International Conference on Image Processing, San Diego, California, U.S.A., October 12 - 15, 2008.
    8. I.Kotsia, S.Zafeiriou, N.Nikolaidis and I.Pitas, "Texture and Shape Information Fusion for Facial Action Unit Recognition" in Proc. of The First International Conference on Advances in Computer-Human Interaction (ACHI 08), Sainte Luce, Martinique, 10-15 February, 2008.
    9. I.Kotsia, S.Zafeiriou and I.Pitas, "Discriminant Non-negative Matrix Factorization and Projected Gradients for Frontal Face Verification" in Proc. of The First COST 2101 Workshop on Biometrics and Identity Management (BIOID 2008), Roskilde University, Denmark, 7-9 May, 2008.
    10. M.Kyperountas, A.Tefas and I.Pitas, "Face recognition via adaptive discriminant clustering" in Image Processing, 2008. ICIP 2008. 15th IEEE International Conference on, San Diego,CA, 2744-2747, October, 2008.
    11. S.Nikitidis, S.Zafeiriou and I.Pitas, "Camera Motion Estimation Using Particle Filters" in Proc. of 3rd International Conference on Computer Vision Theory and Applications (VISAPP 2008), Funchal Madeira, Portugal, January, 2008.
    12. Z.Cernekova, C. Malerczyk, Z.Cernekova and I.Pitas, "Single Camera Pointing Gesture Recognition for Interaction in Edutainment Applications" in Spring Conference on Computer Graphics 2008, Budmerice, Slovak Republic, 2008.
    13. D.Spachos, A.Zlantintsi, V.Moschou, P.Antonopoulos, K.Tzimouli, E.Benetos, M.Kotti, C.Kotropoulos, N.Nikolaidis, P.Maragos and I.Pitas, "MUSCLE movie-database: A multimodal corpus with rich annotation for dialogue and Saliency Detection" in Proc. LREC 2008 Workshop on Multimodal Corpora, Marrakech, Morocco, May 26-27, 2008.
    14. N.Tsapanos, A.Tefas and I.Pitas, "An Online Self-Balancing Binary Search Tree for Hierarchical Shape Matching" in 3rd International Conference on Computer Vision Theory and Applications (VISAPP 2008), Funchal Madeira, Portugal, January, 2008.
    15. D.Ververidis, I.Kotsia, C.Kotropoulos and I.Pitas, "Multi-modal emotion-related data collection within a virtual earthquake emulator" in Proc. Of 6th Language Resources and Evaluation Conference, Marrakech, Morocco, 28-30 May, 2008.
    16. N.Vretos, V.Solachidis, P.Somol and I.Pitas, "Facial Expression Recognition Using Angle-related Information From Facial Meshes" in Proc. EUSIPCO 2008, Lausanne, Switzerland, August 25-29, 2008.
    17. S.Zafeiriou, A.Tefas and I.Pitas, "Gender Determination Using a Support Vector Machine Variant" in Proc. 16th European Signal Processing Conference (EUSIPCO 2008), Lausanne, Switzerland, August, 2008.

    2007

    1. P.Antonopoulos, N.Maglaveras and I.Pitas, "Hierarchical face clustering using SIFT image features" in IEEE Symposium on Computational Intelligence for Image and Signal Processing (CIISP 2007), Honolulu, Hawaii, USA, 5 pages, 2007.
    2. S.Asteriadis, N.Nikolaidis, I.Pitas and M.Pardas, "Detection of facial characteristics based on edge information" in International Conference on Computer Vision Theory and Applications (VISAPP 2007), Barcelona, Spain, 2007.
    3. Z.Cernekova, N.Nikolaidis and I.Pitas, "Single Camera Pointing Gesture Recognition Using Spatial Features and Support Vector Machines" in Proc. of 15th European Signal Processing Conference (EUSIPCO-2007), Poznan, Poland, September, 2007.
    4. I.Cherif, V.Solachidis and I.Pitas, "Shot Type Identification Of Movie Content" in Proc. of Int. Symposium Signal Processing and its Applications (ISSPA 2007), Sharjah, United Arab Emirates, February, 2007.
    5. A.Digka, K.Lyroudia, L.Kubinova, I.Marras, N.Nikolaidis and I.Pitas, "3-D Reconstruction Of Pulpal Blood Vessels By Using Confocal Microscopy" in 2nd annual meeting of IADR-Continental European and Israeli Divisions, Thessaloniki, Greece, September, 2007.
    6. G.Goudelis, S.Zafeiriou, A.Tefas and I.Pitas, "A Novel Kernel Discriminant Analysis For Face Verification" in Proc.of 2007 IEEE International Conference on Image Processing, September, 2007.
    7. A.Hajdu and I.Pitas, "Tracing on heterogeneous grids to improve concavity performance of snake algorithms" in Proc. of Int.Symposium Signal Processing and its Applications (ISSPA 2007), Sharjah, United Arab Emirates, 12 - 15 February, 2007.
    8. A.Hajdu, C.Giamas and I.Pitas, "Object simplification using a skeleton-based weight function" in Proc. of Int. Symposium Signals, Circuits, and Systems (ISSCS 2007), Iasi, Romania, 12-13 July, 2007.
    9. A.Hajdu, C.Giamas, N.Vretos and I.Pitas, "Metadata description of thermal videos for rescue operations" in Proc. of Int. Symposium Signals, Circuits, and Systems (ISSCS 2007), Iasi, Romania, 12-13 July, 2007.
    10. A.Hajdu and I.Pitas, "Compression optimized tracing of digital curves using graph theory" in Proc. of Int. Conf. on Image Processing (ICIP 2007), San Antonio, Texas, 16-19 September, 2007.
    11. A.Hajdu and I.Pitas, "Content adaptive heterogeneous snakes" in Proc. of Int. Conf. on Image Processing (ICIP 2007), San Antonio, Texas, 16-19 September, 2007.
    12. E.Horness, N.Nikolaidis and I.Pitas, "Blind City Maps Watermarking Utilizing Road Width Information" in 2007 EURASIP European Signal Processing Conference (EUSIPCO 2007), Poznan, Poland, 2007.
    13. I.Kasampalidis, I.Pitas, G.Karagianopoulou, I.Kostopoulos, P.Aretini, G.Bevilacqua, A.Cavazzana, M.Menicagli, A.Starita and K.Lyroudia, "FISH Image Analysis Using a Modified Radial Basis Function Network" in ISSCS 2007, Iasi, Romania, July 12-13, 2007.
    14. I.Kasampalidis, I.Pitas, G.Karagianopoulou, I.Kostopoulos, P.Aretini, G.Bevilacqua, A.Cavazzana, M.Menicagli, A.Starita and K.Lyroudia, "FISH Image analysis using a modified radial basis function Network.", in ISSCS 2007, Iasi, Romania, July 12-13, 2007.
    15. I.Kotsia, N.Nikolaidis and I.Pitas, "Facial Expression Recognition In Videos Using A Novel Multi-class Support Vector Machines Variant" in Proc. of Int. Conf. Acoustics, Speech and Signal Processing (ICASSP 2007), Honolulu, Hawai, USA, 15-20 April, 2007.
    16. I.Kotsia, S.Zafeiriou, N.Nikolaidis and I.Pitas, "Multiclass Support Vector Machines And Metric Multidimensional Scaling For Facial Expression Recognition" in Proc. of IEEE Workshop on Neural Networks for Signal Processing( MLSP 2007), Thessaloniki, Greece, 27-29 August, 2007.
    17. M.Krinidis, N.Nikolaidis and I.Pitas, "3D Head Pose Estimation Using Support Vector Machines and Physics-Based Deformable Surfaces" in Proc. of Int. Symposium Signal Processing and its Applications (ISSPA 2007), Sharaj, United Emirates, 12-15 February, 2007.
    18. M.Krinidis, N.Nikolaidis and I.Pitas, "Using Deformable Surface Models to Derive a DCT-Like 2D Transform" in Proc. of Int. Conf. Multimedia & Expo (ICME 2007), Beijing, China, July 2-5, 2007.
    19. M.Kyperountas, A.Tefas and I.Pitas, "Face verification using locally linear discriminant models" in Proc. of Int. Conf. on Image Processing (ICIP 2007), San Antonio, 16-19 Sep., 2007.
    20. N.Vretos, V.Solachidis and I.Pitas, "A Robust Face Clustering Algorithm Based on Mutual Information Using Tracking Information" in Proc. of 11th Panhellenic Conference on Informatics (PCI'2007), Patra, Greece, 18-20 May, 2007.
    21. N.Vretos, V.Solachidis and I.Pitas, "A Face Tracker Trajectories Clustering Using Mutual Information" in Proc. of Int. Workshop Multimedia Signal Processing (MMSP 2007), Chania-Crete, Greece, 1-3 October, 2007.
    22. S.Zafeiriou, A.Tefas and I.Pitas, "Advances in Elastic Graph Matching for Frontal Face Verification" in 2007 IEEE Symposium on Computational Intelligence in Image and Signal Processing, pp. 319 - 324, April 1 - 5, 2007.
    23. S.Zafeiriou, A.Tefas and I.Pitas, "Discriminant Graph Structures for Face Verification" in IEEE International Conference on Acoustics Speddch and Signal Processing 2007 (ICASSP'07), vol. 1, pp. 497 -500, April 15 - 20, 2007.
    24. S.Zafeiriou, A.Tefas and I.Pitas, "A new class of decision surfaces based on the minimization of within class variance" in Proc. Of IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2007), Thessaloniki, Greece, pp. 441 - 446, August 27 - 29, 2007.

    2006

    1. S.Asteriadis, N.Nikolaidis, A.Hajdu and I.Pitas, "An Eye Detection Algorithm Using Pixel to Edge Information" in Proc. of 2nd IEEE-EURASIP Int. Symposium on Control, Communications, and Signal Processing (ISCCSP 2006), Marrakech, Morocco, 13-15 March, 2006.
    2. S.Asteriadis, N.Nikolaidis, A.Hajdu and I.Pitas, "A novel eye-detection algorithm utilizing edge-related geometrical information" in Proc. of European Signal Processing Conf. (EUSIPCO 2006), Florence, Italy, 4-8 September, 2006.
    3. A.Bogan-Marta, N.Laskaris, I.Pitas and K.Lyroudia, "Statistical method of context evaluation for biological sequence similarity." in IFIP, Santiago, Chile, August, 2006.
    4. I.Buciu, N.Nikolaidis and I.Pitas, "A comparative study of NMF, DNMF, and LNMF algorithms applied for face recognition" in Proc. of 2nd IEEE-EURASIP Int. Symposium on Control, Communications, and Signal Processing (ISCCSP 2006), Marrakech, Morocco, 13-15 March, 2006.
    5. I.Buciu, N.Nikolaidis and I.Pitas, "On the initialization of the DNMF algorithm" in Proc. of 2006 IEEE Int. Symposium on Circuits and Systems, Kos, Greece, 21-24 May, 2006.
    6. I.Buciu, Z.Hammal, A.Caplier, N.Nikolaidis and I.Pitas, "Enhancing facial expression classification by information fusion" in Proc. of European Signal Processing Conf. (EUSIPCO 2006), Florence, Italy, 4-8 September, 2006.
    7. Z.Cernekova, N.Nikolaidis and I.Pitas, "AIIA shot boundary detection at TRECVID 2006" in Proc. of 2006 Workshop on TREC Video Retrieval Evaluation, NIST , Gaithersburg, Gaithersburg, Maryland, November, 2006.
    8. Z.Cernekova, N.Nikolaidis and I.Pitas, "Temporal Video Segmentation by Graph Patitioning" in Proc. of 2006 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP 2006), Toulouse, France, 14-19 May, 2006.
    9. I.Cherif, V.Solachidis and I.Pitas, "A Tracking Framework for Accurate Face Localization" in Proc. of Int. Federation for Information Processing Conf. on Artificial Intelligence (IFIP AI 2006), Santiago, Chile, 21-24 August, 2006.
    10. C.Cotsaces, N.Nikolaidis and I.Pitas, "Video Indexing by Face Occurrence-based Signatures" in Proc. of 2006 IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Toulouse, France, 14-19 May, 2006.
    11. M.Gavrielides, E.Sikudova, D.Spachos and I.Pitas, "Color Features for Image Fingerprinting" in Proc. of SETN 2006, Heraklion, Greece, 18-20 May, 2006.
    12. A.Hajdu, A.Roubies and I.Pitas, "Optimized chamfer matching for snake-based image contour representations" in Proc. of 2006 IEEE Int. Conf. on Multimedia & Expo (ICME 2006), Toronto, Orantio, Canada, 9-12 July, 2006.
    13. I.Kasampalidis, I.Pitas and K.Lyroudia, "Statistical Conservation Analysis of Zinc-interacting Residues" in Proc. of Workshop on Computational Systems Biology,Tampere, Tampere, Finland, pp. 41-44, June, 2006.
    14. I.Kotsia and I.Pitas, "Facial expression recognition using shape and texture information" in Proc. of Int. Federation for Information Processing Conf. on Artificial Intelligence (IFIPAI 2006), Santiago, Chile, 21-24 August, 2006.
    15. I.Kotsia, N.Nikolaidis and I.Pitas, "Fusion of Geometrical and Texture information for facial expression recognition" in Proc. of Int. Conf. on Image Processing (ICIP 2006), Atlanta, GA, USA, 8-11 October, 2006.
    16. M.Kotti, C.Kotropoulos, B.Ziolko, I.Pitas and V.Moschou, "A framework for dialogue detection in movies" in Lecture Notes in Computer Science, Multimedia Content Representation, Classification, and Security, Istanbul, vol. 4105, pp. 371-378, September 11-13, 2006.
    17. E.Loutas, N.Nikolaidis and I.Pitas, "A mutual information approach to contour based object tracking" in 2006 EURASIP European Signal Processing Conference (EUSIPCO 2006), Florence, Italy, 2006.
    18. I.Marras, L.Papaleontiou, N.Nikolaidis, K.Lyroudia and I.Pitas, "Virtual Dental Patient: A System for Virtual Teeth Drilling" in Proc. of 2006 IEEE International Conference on Multimedia and Expo (ICME 06), Canada, 2006.
    19. I.Marras, L.Papaleontiou, N.Nikolaidis, K.Lyroudia and I.Pitas, "A Virtual Reality Tooth Drilling Simulator" in Proc. of Spring Conference on Computer Graphics 2006, Slovak Republic, pp. 49-52, 2006.
    20. N.Nikolaidis and I.Pitas, "Image and video fingerprinting for digital rights management of multimedia data" in 2006 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2006), Tottori, Japan, pp. 801-807, 2006 (invited paper).
    21. N.Nikolaidis and I.Pitas, "Using Spanning Trees for Reduced Complexity Image Mosaicing" in 2006 EURASIP European Signal Processing Conference (EUSIPCO 2006), Florence, Italy, 2006.
    22. S.Nikolopoulos, S.Zafeiriou, N.Nikolaidis and I.Pitas, "Image Replica detection using R-tress and Linear Discriminant Analysis" in Proc. of the IEEE Int. Conf. on Multimedia and Expo (ICME 2006), Toronto Ontario, Toronto, Ontario, Canada, 9-12 July, 2006.
    23. A.Roubies, A.Hajdu and I.Pitas, "Improving Concavity Performance of Snake Algorithms" in Proc. of Int. Symposium Communications, Control and Signal Processing (ISCCSP 2006), Marrakech, Morocco, 13-15 March, 2006.
    24. N.Vretos, V.Solachidis and I.Pitas, "A Mutual Information Based Algorithm for Face Clustering" in Proc. of Int. Conf. on Multimedia and Expo (ICME 2006), Toronto Ontario, Canada, 9-12 July, 2006.

    2005

    1. F.Albu, C.Kotropoulos, Z.Cernekova and I.Pitas, "New affine projection algorithms based on Gauss-Seidel method" in Proc. of 2005 IEEE Int. Symp. Signals, Circuits, and Systems (ISSCS 2005), Iasi, Romania, pp. 565-568, July, 2005.
    2. G.Almpanidis, C.Kotropoulos and I.Pitas, "Focused crawling using latent semantic indexing- An application for vertical search engines" in Proc. of 2005 European Conf. Digital Libraries (ECDL 2005), Vienna, Austria, vol. LNCS 3652, pp. 402-413, September, 2005.
    3. A.Bogan-Marta, M.Gavrielides, I.Pitas and K.Lyroudia, "A New Statistical Measure of Protein Similarity based on Language Modeling" in Proc. of IEEE Int. Workshop on Genomic Signal Processing and Statistics (GENSIPS 2005), Newport, Rode Island, USA, 22-24 May, 2005.
    4. A.Bogan-Marta, N.Laskaris, M.Gavrielides, I.Pitas and K.Lyroudia, "A novel efficient protein similarity measure based on n-gram modeling." in Proc. of IEE Second Int. Conf. on Computational Intelligence in Medicine and Healthcare (CIMED 2005) , Costa da Caparica, Lisbon, Portugal, 29th June-1st July, 2005.
    5. I.Buciu, I.Kotsia and I.Pitas, "Facial expression analysis under partial occlusion" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing, ICASSP 2005, Philadelphia, 18-23 March, 2005.
    6. Z.Cernekova, C.Kotropoulos, N.Nikolaidis and I.Pitas, "Video shot segmentation using fusion of SVD and mutual information features" in Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS 2005), Kobe, Japan, pp. 3849-3852, 23-26 May, 2005.
    7. C.Cotsaces, M.Gavrielides and I.Pitas, "A Survey of Recent Work" in Proc. of 2005 Workshop on Audio-Visual Content and Information Visualization in Digital Libraries (AVIVDiLib '05), Cortona, Italy, 4-6 June, 2005.
    8. C.Cotsaces, N.Nikolaidis and I.Pitas, "The use of face indicator functions for video indexing and fingerprinting" in Proc. of Int. Workshop on Content-Based Multimedia Indexing (CBMI 2005), Riga, Latvia, 21-23 June, 2005.
    9. I.Kotsia and I.Pitas, "Real time facial expression recognition from video sequences using Support Vector Machines" in Proc. of Visual Communications and Image Processing (VCIP 2005), Beijing, China, 12-15 July, 2005.
    10. I.Kotsia and I.Pitas, "Real time facial expression recognition from image sequences using Support Vector Machines" in Proc. of IEEE Int. Conf. on Image Processing (ICIP 2005), Genova, Italy, 11-14 September, 2005.
    11. M.Krinidis, G.Stamou, H.Teutsch, S.Spors, N.Nikolaidis, R.Rabenstein and I.Pitas, "An Audio-Visual Database For Evaluating Person Tracking Algorithms" in Proc. of IEEE Int. Conf. Acoustics, Speech and Signal Processing, ICASSP 2005, Philadelphia, vol. 2, pp. 237-240, 18 -23 March, 2005.
    12. M.Krinidis, N.Nikolaidis and I.Pitas, "Feature-based tracking using 3D physics-based deformable surfaces" in Proc. of 2005 EURASIP European Signal Processing Conference (EUSIPCO 2005), Antalya, Turkey, 4-8 September, 2005.
    13. K.Kucharski, W.Skarbek, G.Stamou, N.Nikolaidis and I.Pitas, "Morphological and AdaBoost Face Detectors Comparison" in Proc. of Workshop on Immersive Communication and Broadcast Systems (ICOB 2005), Berlin, Germany, 27-28 October, 2005.
    14. M.Kyperountas, A.Tefas and I.Pitas, "Methods for improving discriminant analysis for face authentication" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing, ICASSP 2005, Philadelphia, 18-23 March, 2005.
    15. N.Nikolaidis and I.Pitas, "Computationally Efficient Image Mosaicing Using Spanning Tree Representations" in Lecture Notes in Computer Science, Advances in Informatics: 10th Panhellenic Conf. on Informatics, PCI 2005, Volos, Greece, 11-13 November, 2005.
    16. F.Raimondo, M.Gavrielides, G.Karayannopoulou, K.Lyroudia, I.Pitas and I.Kostopoulos, "Automated Classification of Fluorescent in Situ cases based on HER-2/NEU status" in Proc. of 2005 EURASIP European Signal Processing Conf. (EUSIPCO 2005), Antalya, Turkey, 4-8 September, 2005.
    17. F.Raimondo, M.Gavrielides, G.Karayannopoulou, K.Lyroudia, I.Pitas and I.Kostopoulos, "Computer-aided Evaluation of HER-2 Status in Fluorescent in Situ Hybridization Images" in Proc. of 2nd Int. Conf. on Computational Intelligence in Medicine and Healthcare, Costa da Caparica, Lisbon, Portugal, 29th June-1st July, 2005.
    18. V.Rodriguez-Doncel, N.Nikolaidis and I.Pitas, "Watermarking Polygonal Lines Using an Optimal Detector on the Fourier Descriptors Domain" in Proc. of 2005 EURASIP European Signal Processing Conf. (EUSIPCO 2005), Antalya, Turkey, 4-8 September, 2005.
    19. P.Rotter, A.Skulimowski, C.Kotropoulos and I.Pitas, "Fast shape matching with the Haussdorff distance for pixel-represented objects" in Proc. of MIRAGE 2005, INRIA Rocquencourt, France, 1-2 March, 2005.
    20. V.Solachidis and I.Pitas, "Watermarking digital 3D volumes in the Discrete Fourier Transform domain" in Proc. of IEEE Int. Conf. on Multimedia and Expo (ICME 2005), Amsterdam, Holland, 6-8 July, 2005.
    21. V.Solachidis, S.Tsekeridou, S.Nikolopoulos and I.Pitas, "Self-Similar watermarks for counterfeiting geometrical attacks" in Proc. of 1st WAVILA CHALLENGE (WaCha 2005), Barcelona, Catalonia (Spain), 8-9 June, 2005.
    22. G.Stamou, M.Krinidis, N.Nikolaidis and I.Pitas, "A monocular system for automatic face detection and tracking" in Proc. of Visual Communications and Image Processing (VCIP 2005), Beijing, China, 12-15 July, 2005.
    23. G.Stamou, N.Nikolaidis and I.Pitas, "Object Tracking based on Morphological Elastic Graph Matching" in Proc. of 2005 IEEE Int. Conf. on Image Processing (ICIP 2005), Genova, Italy, 11-14 September, 2005.
    24. G.Stamou, N.Nikolaidis and I.Pitas, "Object Tracking based on Multiscale Morphological Templates" in Proc. of 2005 EURASIP European Signal Processing Conf. (EUSIPCO 2005), Antalya, Turkey, 4-8 September, 2005.
    25. G.Stamou, N.Nikolaidis and I.Pitas, "Multiview Videodatasets for Evaluation and Testing of 3D Tracking and 3D Reconstruction Algorithms" in Proc. of Workshop on Immersive Communication and Broadcast Systems (ICOB 2005), Berlin, Germany, 27-28 October, 2005.
    26. A.Tefas, A.Giannoula, N.Nikolaidis and I.Pitas, "Enhanced transform-domain correlation-based audio watermarking" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing, ICASSP 2005, Philadelphia, PA, USA, 18-23 March, 2005.
    27. Z.Theodosiou, F.Raimondo, M.E.Garefalaki, G.Karayannopoulou, K.Lyroudia and I.Pitas, "Fish Image Analysis System for Breast Cancer Studies" in Proc. of European Conf. on Emergent Aspects in Clinical Data Analysis (EACDA 2005), Pisa, Italy, 28-30 September, 2005.
    28. N.Vretos, V.Solachidis and I.Pitas, "An Anthropocentric Description Scheme For Movies Content Classification And Indexing" in Proc. of European Signal Processing Conf. (EUSIPCO 2005), Antalya, Turkey, 4-8 September, 2005.
    29. N.Vretos, V.Solachidis and I.Pitas, "An MPEG-7 Based Description Scheme For Video Analysis using Anthropocentric Video Content Descriptors" in Lecture Notes in Computer Science, Advances in Informatics: 10th Panhellenic Conf. on Informatics, PCI 2005, Volos, Greece, vol. 3746 / 2005, 11-13 November, 2005.
    30. S.Zafeiriou, A.Tefas and I.Pitas, "Elastic Graph Matching versus Linear Subspace Methods for Frontal Face Verification" in Proc. of IEEE Int. Workshop on Nonlinear Signal and Image Processing (NSIP 2005), Sapporo, Japan, 18-20 May, 2005.
    31. S.Zafeiriou, A.Tefas and I.Pitas, "Exploiting Discriminant Information in Elastic Graph Matching" in Proc. of IEEE Int. Conf. on Image Processing (ICIP 2005), Genova, Italy, 11-14 September, 2005.
    32. S.Zafeiriou, A.Tefas and I.Pitas, "Linear Discriminant Feature Selection Techniques in Elastic Graph Matching" in Proc. of EURASIP European Signal Processing Conf. (EUSIPCO 2005), Antalya, Turkey, 4-8 September, 2005.
    33. S.Zafeiriou, A.Tefas, I.Buciu and I.Pitas, "Class-Specific Discriminant Non-negative Matrix Factorization for Frontal Face Verification" in Proc. of Int. Conf. Advances in Pattern Recognition (ICAPR 2005), Bath, United Kingdom, 22-25 August, 2005.
    34. S.Zafeiriou, A.Tefas and I.Pitas, "Discriminant NMFfaces for Frontal Face Verification" in Proc. of IEEE Int. Workshop on Machine Learning for Signal Processing (MLSP 2005), Mystic, Connecticut, 28-30 September, 2005.

    2004

    1. I.Buciu and I.Pitas, "Application of non-negative and local non negative matrix factorization to facial expression recognition" in Proc. of 17th Int. Conf. on Pattern Recognition (ICPR 2004), Cambridge, United Kingdom, 23-26 August, 2004.
    2. I.Buciu and I.Pitas, "A new sparse image representation algorithm applied to facial expression recognition" in Proc. of IEEE Int. Workshop on Machine Learning for Signal Processing (MLSP 2004), Sao Luis, Brazil, 29 September- 1 October, 2004.
    3. S.Krinidis and I.Pitas, "2D Physics-based deformable objects using fast free vibration modal analysis" in Proc. of ISCAS 2004, Vancouver, Canada, May, 2004.
    4. M.Kyperountas, Z.Cernekova, C.Kotropoulos, M.Gavrielides and I.Pitas, "Audio PCA in a novel multimedia scheme for scene change detection" in Proc. of ICASSP 2004, Montreal, Canada, vol. IV, pp. 353-356, May, 2004.
    5. M.Kyperountas, Z.Cernekova, C.Kotropoulos, M.Gavrielides and I.Pitas, "Scene change detection using audiovisual clues" in Proc. of Norwegian Conf. on Image Processing and Pattern Recognition (NOBIM 2004), Stavanger, Norway, 27-28 May, 2004.
    6. C.Laftsidis, C.Kotropoulos and I.Pitas, "MPEG-4 compliant reproduction of face animation created in MAYA" in Proc. of 2004 IEEE Int. Conf. Multimedia and Expo (ICME '04), Taipei, Taiwan, 27-30 June, 2004.
    7. E.Loutas, N.Nikolaidis and I.Pitas, "Evaluation of tracking reliability metrics based on information theory and normalized correlation" in Proc. of IEEE Int. Conf. on Pattern Recognition (ICPR 2004), Cambridge, United Kingdom, 23-26 August, 2004.
    8. M.Marinaki, C.Kotropoulos, I.Pitas and N.Maglaveras, "Automatic detection of vocal fold paralysis and edema" in Proc. of 8th Int. Conf. Spoken Language Processing (INTERSPEECH 2004), Jeju, Korea, pp. 537-540, October, 2004.
    9. A.Markoulidis, A.Tefas, C.Kotropoulos and I.Pitas, "Turning a frontal face verification technique to a system prototype" in CD-ROM Proc. of 2nd COST275 Workshop Biometrics on the Internet, Spain, 2004.
    10. G.Moschos, N.Nikolaidis and I.Pitas, "Anatomically-based 3D face and oral cavity mode for creating virtual medical patients" in Proc. of IEEE Int. Conf. on Multimedia & Expo (ICME 2004), Taipei, Taiwan, 27-30 June, 2004.
    11. R.Rispoli, C.Kotropoulos and I.Pitas, "Searching relevant syllable context by clustering for alignment in modern Greek speech" in Proc. of 2004 IEEE Int. Conf. Multimedia and Expo (ICME '04), Taiwan, 2004.
    12. R.Rispoli, C.Kotropoulos and I.Pitas, "Towards a New Architecture for Computerized Greek Speech Phonetic Alignment", in Proc. 24th Annual Workshop Linguistics, Aristotle Univ. of Thessaloniki, Greece, 2004 (abstract).
    13. V.Solachidis, A.Nikolaidis and I.Pitas, "Optimal watermark detectors", in Proc. of Norwegian Conf. on Image Processing and Pattern Recognition (NOBIM 2004), Stavanger, Norway, 27-28 May, 2004.
    14. D.Ververidis, C.Kotropoulos and I.Pitas, "Automatic emotional speech classification" in Proc. of ICASSP 2004, Montreal, Canada, vol. I, pp. 593-596, May, 2004.
    15. S.Zafeiriou, A.Tefas and I.Pitas, "A Blind Robust Watermarking Scheme for Copyright Protection of 3D Mesh Models" in Proc. of IEEE Int. Conf. on Image Processing (ICIP 2004), Singapore, 24-27 October, 2004.

    2003

    1. A.Barmpoutis, N.Nikolaidis and I.Pitas, "Face 3D Pose Estimation using a Generic 3D Face Model and Facial Features Extraction" in Proc. of 9th Panhellenic Conf. on Informatics (PCI `03), Thessaloniki, Greece, pp. 519-526, 21-23 November, 2003.
    2. I.Buciu, C.Kotropoulos and I.Pitas, "ICA and Gabor representation for facial expression recognition" in Proc. of 2003 IEEE Int. Conf. Image Processing, Barcelona, Spain, vol. 2, pp. 855-858, September, 2003.
    3. I.Buciu, I.Kotsia and I.Pitas, "Recognition of facial expressions in presence of partial occlusion" in Proc. of 9th Panhellenic Conf. onInformatics (PCI `03), Thessaloniki, Greece, 21-23 November, 2003.
    4. Z.Cernekova, C.Kotropoulos and I.Pitas, "Video Shot Segmentation using Singular Value Decomposition" in Proc. of 2003 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Hong-Kong, vol. III, pp. 181-184, April, 2003 (appears also in Proc. IEEE Multimedia and Expo 2003, pp. 301-304, Baltimore, July 2003).
    5. Z.Cernekova, C.Kotropoulos and I.Pitas, "Video Shot Boundary Detection using Singular Value Decomposition" in Proc. of 4th European Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS-2003), London, April, 2003.
    6. A.Digka, K.Lyroudia, G.Karayannopoulou, L.Kubinova, S.Krinidis and I.Pitas, "3D reconstructions of 2 vascular plexuses of human dental pulps by using confocal microscopy", in Proc. of 11th Biennal Congress of the ESE, Athens, 2-4 October, 2003.
    7. A.Georgakis, C.Kotropoulos and I.Pitas, "A combination of R-estimates and Wilcoxon test for document organization and retrieval" in Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Grado, Italy, May, 2003.
    8. A.Giannoula, A.Tefas, N.Nikolaidis and I.Pitas, "Improving the Detection Reliability of Correlation-based Watermarking Techniques" in Proc. of IEEE Int. Conf. on Multimedia and Expo 2003(ICME2003), Baltimore, Maryland, USA, 6-9 July, 2003.
    9. A.Kalivas, A.Tefas and I.Pitas, "Watermarking of 3D models using Principal Component Analysis" in Proc. of 2003 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP 2003) and in Proc. of 2003 IEEE Int. Conf. on Multimedia and Expo (ICME2003), Maryland, USA, 6-9 July, 2003.
    10. C.Kotropoulos, A.Fazekas and I.Pitas, "Fast multiscale mathematical morphology for frontal face authentication" in Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Grado, Italy, May, 2003.
    11. G.Kovasznai, C.Kotropoulos and I.Pitas, "CAML- A Universal Configuration Language for Dialogue Systems" in Proc. of 2003 Database and Expert Systems Applications (DEXA), Prague, The Czech Republic, pp. 896-906, September, 2003.
    12. G.Kovasznai, C.Kotropoulos and I.Pitas, "A novel Universal Language for Configurating Dialogue Systems" in Proc. of 9th Panhellenic Conf. on Informatics (PCI `03), Thessaloniki, Greece, pp. 36-45, 21-23 November, 2003.
    13. G.Kovasznai, C.Kotropoulos and I.Pitas, "Partly specified priority patterns in natural language parsing within dialog systems" in Proc. of 1st Int. Workshop RichMedia, Lausanne, pp. 161-168, October, 2003.
    14. S.Krinidis, I.Buciu and I.Pitas, "Facial Expression Analysis and Synthesis: A Survey" in Proc. of 10th Int. Conf.on "Human- Computer Interaction" (HCI 2003), Crete, Greece, pp. 1432-1436, vol. IV, 22-27 June, 2003.
    15. S.Krinidis and I.Pitas, "2D Physics-Based Deformable Shape Models: Explicit Governing Equations" in Proc. of First Int. Workshop on "interactive Rich Media Content Production: Architectures, Technologies, Applications, Tools", Lausanne, Switzerland, pp. 43-55, 16-17 October, 2003.
    16. C.Laftsidis, A.Tefas, N.Nikolaidis and I.Pitas, "Robust Multibit Audio Watermarking in the Temporal Domain" in Proc. of 2003 IEEE Int. Symposium on Circuits and Systems, Bangkok, Thailand, May 25-28, 2003.
    17. C.Laftsidis, C.Kotropoulos and I.Pitas, "MPEG-4 Compliant Information Extraction from an Animated Face in Maya" in Proc. of 1st Richmedia Conf., Laussane, Switzerland, pp. 131-137, October, 2003.
    18. E.Loutas, N.Nikolaidis and I.Pitas, "A mutual information approach to articulated object tracking" in Proc. of Int. Symposium on Circuits and Systems (ISCAS '03), pp. 672-675, vol. 2, 25-28 May, 2003.
    19. A.Digka, K.Lyroudia, G.Karagianopoulou, L.Kubinova, S.Krinidis and I.Pitas, "3D reconstructions of 2 vascular plexuses of human dental pulps by using confocal microscopy", in 11ο Biennal Congress of the ESE, Athens, Greece, 2-4 October, 2003.
    20. G.Mikrogeorgis, K.Lyroudia, I.Molyvdas and I.Pitas, "Study of two root canal instrumentation techniques using digital image processing", in Proc. of 11th Biennal Congress of the ESE, Athens, 2-4 October, 2003.
    21. E.Sikudova, M.Gavrielides and I.Pitas, "Automatic identification of portraits in art images databases" in Proc. of MDL DELOS workshop, Crete, Greece, June, 2003.
    22. V.Solachidis and I.Pitas, "Optimal detection for multiplicative watermarks embedded in DFT domain" in Proc. of IEEE Int. Conf. on Image Processing (ICIP 2003), Barcelona, Spain, pp. 723 -726, 14-17 September, 2003.
    23. V.Solachidis and I.Pitas, "Non-linear detector of watermarked signal embedded in fourier domain" in Proc. of EURASIP Workshop on,Nonlinear Signal and Image Processing, Grado - Gorizia, Italy, 8-11 June, 2003.
    24. V.Solachidis, A.Nikolaidis and I.Pitas, "Optimal watermark detectors for transform domain watermarking" in Proc. of Int. Conf. on Number Theory for Secure Communications, Kumbakonam, India, 20-21 December, 2003.
    25. S.Zafeiriou, A.Kalivas, A.Tefas, N.Nikolaidis and I.Pitas, "Watermarking of 3D mesh models robust to basic geometric transformations" in Proc. of 9th Panhellenic Conf. on Informatics (PCI `03), Thessaloniki, Greece, 21-23 November, 2003.

    2002

    1. I.Buciu, C.Kotropoulos and I.Pitas, "On the stability of support vector machines for face detection" in Proc. of 2002 IEEE Int. Conf. on Image Processing, N.Y., vol. 3, pp. 121-124, 2002.
    2. I.Buciu, C.Kotropoulos and I.Pitas, "Face detection by using Independent Component Decomposition" in Proc. of Dynamic Perception 2002, IOS Press, pp. 247-252, 2002.
    3. Z.Cernekova, C.Nikou and I.Pitas, "Shot Detection in Video Sequences using Entropy-based metrics" in Proc. of IEEE Int. Conf. on Image Processing 2002 (ICIP2002), Rochester, N.Y., USA, vol. 3, pp. III-421 - III-424, 22-25 September, 2002.
    4. Z.Cernekova, C.Nikou and I.Pitas, "Entropy Metrics used for Video Summarization" in Proc. of Int. Spring Conf. on Computer Graphics 2002, Slovakia, pp. 73-82, 2002 (publisher ACM Press).
    5. J.-L.Dugelay, J.-C.Junqua, C.Kotropoulos, R.Kuhn, F.Perronnin and I.Pitas, "Recent advances in biometric person authentication" in Proc. of 2002 Int. Conf. On Acoustics,Speech and Signal Processing, Florida, vol. 4, pp. 4060-4063, 2002.
    6. A.Fazekas, I.Buciu, C.Kotropoulos and I.Pitas, "Support vector machines for face detection" in Proc. of the Hungarian Conf. on Pattern Recognition, pp. 279-291, January, 2002.
    7. A.Georgakis, C.Kotropoulos and I.Pitas, "A SOM variant based on the Wilcoxon test for document organization and retrieval" in Lecture Notes in Computer Science: 2002 Int. Conf. on Artificial Neural Networks Berlin: Springer-Verlag, vol. 2415, pp.993-998, 2002.
    8. A.Giannoula, N.Nikolaidis and I.Pitas, "Watermarking of Sets of Polygonal Lines using Fusion Techniques" in Proc. of IEEE Int. Conf. on Multimedia and Expo 2002 (ICME2002), Laussane, Switzerland, vol. 2, pp. 549-552, 26-29 August, 2002.
    9. M.Gordan, C.Kotropoulos and I.Pitas, "A Temporal network of support vector machine classifiers for the recognition of visual speech, in Lecture Notes in Artificial Intelligence" in Lecture Notes in Artificial Intelligence, Proceedings SETN-02, Thessaloniki, vol. 2308, pp. 355-365, April, 2002.
    10. M.Gordan, C.Kotropoulos, A.Georgakis and I.Pitas, "A new fuzzy C-means based segmentation strategy. Applications to lip region identification" in Proc. of A&QT-R 2002(THETA 13) 2002 IEEE TTTC Int. Conf. on Automation, Quality and Testing, Robotics, Cluj-Napoca, Romania, 23-25 May, 2002.
    11. M.Gordan, C.Kotropoulos and I.Pitas, "Visual speech recognition using support vector machines" in Proc. of the 14th Int. Conf. on Digital Signal Processing, Santorini, Greece, vol. 2, pp. 1093-1096, July, 2002.
    12. M.Gordan, C.Kotropoulos and I.Pitas, "Application of support vector machines classifiers to visual speech recognition" in Proc. of 2002 IEEE Int. Conf. on Image Processing, N.Y., vol. 3, pp. 129-132, 2002.
    13. C.Kotropoulos and I.Pitas, "Signal detection using support vector machines in the presence of ultrasonic speckle" in Proc. of SPIE Int. Symp. on Medical Imaging 2002, pp. 304-315, vol. SPIE 4687, February, 2002.
    14. S.Krinidis, C.Nikou and I.Pitas, "3D Volume Reconstruction by Serially Acquired 2D slices using a Distance Transform-Based Global Cost Function" in Proc. of 2nd Hellenic Conf. on Artificial Intelligence (SETN02), Thessaloniki, Greece, pp. 390-400, 11-12 April, 2002.
    15. S.Krinidis, C.Nikou and I.Pitas, "3D Physics-Based Reconstruction of Serially Acquired Slices" in Proc. of IEEE Int. Conf. on Multimedia and Expo (ICME02), Lausanne, Switzerland, vol. 1, pp. 877-880, 26-29 August, 2002.
    16. G.Louizis, A.Tefas and I.Pitas, "Copyright Protection of 3D Images using Watermarks of Specific Spatial Structure" in Proc. of IEEE Int. Conf. on Multimedia and Expo 2002 (ICME2002), Lausanne, Switzerland, vol. 2, pp. 557-560, 26-29 August, 2002.
    17. E.Loutas, C.Nikou and I.Pitas, "Information theory-based analysis of partial and total occlusion in object tracking" in Proc. of the 2002 Int. Conf. on Image Processing, N.Y., 2002.
    18. E.Loutas, C.Nikou and I.Pitas, "An information theoretic approach to joint probabilistic face detection and tracking" in Proc. of the 2002 Int. Conf. on Image Processing, N.Y., 2002.
    19. E.Loutas, C.Kotropoulos, N.Bassiou and I.Pitas, "Frontal face detection algorithms based on support vector machines and maximum likehood" in CD-ROM Proc. of COST-275 Workshop: The Advent of Biometric over the Internet, Rome, pp. 61-64, November, 2002.
    20. N.Nikolaidis, V.Solachidis, A.Tefas, V.Arguriou and I.Pitas, "Benchmarking of Still Image Watermarking Methods: Principles and State of the Art" in Proc. of Electronic Imaging & the Visual Arts 2002 (EVA2002), Florence, Italy, 18-22 March, 2002.
    21. A.Nikolaidis and I.Pitas, "Optimal Detector Structure for DCT and Subband Domain Watermarking" in Proc. of IEEE Int. Conf. on Image Processing 2002 (ICIP2002), Rochester, N.Y., USA, vol. 3, pp. III-465 - III-468, 22-25 September, 2002.
    22. N.Nikolaidis, V.Solachidis, A.Tefas and I.Pitas, "Watermark Detection: Benchmarking Perspectives" in Proc. of IEEE Int. Conf. on Multimedia and Expo 2002(ICME2002), Special Session on Benchmarking of Data Hiding Technologies, Lausanne, Switzerland, vol. 2, pp. 493-496, 26-29 August, 2002.
    23. A.Tefas, G.Louizis and I.Pitas, "3D Image Watermarking robust to Geometric Distortions" in Proc. of IEEE Int. Conf. on Acoustics Speech and Signal Processing 2002 (ICASSP2002), Florida, USA, vol. 4, 13-17 May, 2002.
    24. A.Xafopoulos, C.Kotropoulos, and I.Pitas, "Language identification of web documents using discrete HMMs" in Proc. of the 2nd Hellenic Conf. on Artificial Intelligence (SETN '02), Thessaloniki, Greece, pp. 269-280, April, 2002.

    2001

    1. N.Bassiou, C.Kotropoulos, T.Kosmidis and I.Pitas, "Frontal face detection using support vector machines and back-propagation neural networks" in Proc. of the 2001 IEEE Int. Conf. on Image Processing, Thessaloniki, Greece, pp. 1026-1029, October, 2001.
    2. N.Bassiou, C.Kotropoulos and I.Pitas, "Hierarchical word clustering for relevance judgements" in Proc. of Workshop on Pattern Recognition in Information Systems (PRIS'01), Setubal, Portugal, pp. 139-148, 6-7 July, 2001.
    3. A.Bors, L.Kechagias and I.Pitas, "Virtual drilling in 3-D objects reconstructed by shape-based interpolation" in Proc. of 4th Int. Workshop on Visual Form, Capri, Italy, vol. 3, 28-30 May, 2001.
    4. A.Bors, L.Kechagias and I.Pitas, "Shape-based Interpolation using Morphological Morphing" in Proc. of IEEE Int. Conf. on Image Processing(ICIP 2001), Thessaloniki, Greece, 7-10 October, 2001.
    5. I.Buciu, C.Kotropoulos and I.Pitas, "Combining support vector machines for accurate face detection" in Proc. of IEEE Int. Conf. on Image Processing (ICIP 2001), Thessaloniki, Greece, vol. 1, pp. 1054-1057, 7-10 October, 2001.
    6. C.Dalatsi, S.Krinidis, S.Tsekeridou and I.Pitas, "Use of Support Vector Machines based on Color and Motion Features for Shot Boundary Detection" in Proc. of Int. Symposium on Telecommunications (IST'01), Tehran, IRAN, pp. 189-192, 1-3 September, 2001.
    7. A.Fazekas, C.Kotropoulos, I.Buciu and I.Pitas, "Support vector machines on the space of Walsh functions and their properties" in Proc. of 2nd Int. Symposium on Image and Signal Processing and Analysis (ISPA 2001), Pula, Croatia, pp. 43-48, 19-21 June, 2001.
    8. A.Fazekas, C.Kotropoulos, I.Buciu and I.Pitas, "Face detection by Support Vector Machines in the Walsh transform domain" in Proc. 8th Panhellenic Informatics Conf., Nicosia, Cyprus, vol. 2, pp. 156-164, November, 2001.
    9. A.Georgakis, C.Kotropoulos and I.Pitas, "Organization and retrieval of touristic information with statistical language engineering techniques" in Proc. 21st Annual Workshop Linguistics, Aristotle Univ. of Thessaloniki, Greece, pp. 110-120, 2001 (in Greek).
    10. A.Georgakis, C.Kotropoulos, N.Bassiou and I.Pitas, "HYPERGEO: A data organization and retrieval system for tourist information" in Proc. of 2001 IASTED Int. Conf. Applied Informatics (AI 2001), Innsbruck, Austria, pp. 719-724, 19-22 February, 2001.
    11. A.Georgakis, C.Kotropoulos, A.Xafopoulos and I.Pitas, "MM-WEBSOM: A variant of WEBSOM based on order statistics" in CD-ROM Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Baltimore, U.S.A., June, 2001.
    12. A.Georgakis, C.Kotropoulos, A.Xafopoulos and I.Pitas, "Document organization and retrieval using self-organizing maps and statistical language modeling" in Proc. of Workshop on Pattern Recognition in Information Systems, Setubal, Portugal, pp. 149-160, July, 2001.
    13. M.Gordan, C.Kotropoulos and I.Pitas, "Pseudoautomatic Lip Contour Detection Based on Edge Direction Patterns" in Proc. of 2nd IEEE R8 - EURASIP Symposium on Image and Signal Processing and Analysis(ISPA'01), Pula, Croatia, pp.138-143, 19-21 June, 2001.
    14. M.Gordan, C.Kotropoulos and I.Pitas, "Application of directional statistics to gradient-based lip-contour extraction for speechreading" in Proc. 8th Panhellenic Informatics Conf., Nicosia, Cyprus, vol. 2, pp. 223-232, November, 2001.
    15. L.Kechagias, A.Bors and I.Pitas, "Virtual Drilling in 3-D volumes" in Proc. of Conf. Int. on Augmented, Virtual Environments and three dimensional imaging(ICAV3D), Myconos, 30 May-1 June, 2001.
    16. L.Kechagias, A.Bors and I.Pitas, "Virtual Drilling-Sculpturing" in Proc. of 23rd Annual Int. Conf. of the IEEE Engineering in Medicine and Biology Society (EMBC2001), Istanbul, Turkey, 25-28 October, 2001.
    17. C.Kotropoulos, N.Bassiou, T.Kosmidis and I.Pitas, "Frontal face detection using support vector machines and back-propagation neural networks" in Proc. of 2001 Scandinavian Conf. on Image Analysis (SCIA'01), Bergen, Norway, pp. 199-206, 11-14 June, 2001.
    18. C.Kotropoulos and I.Pitas, "Eigenvalue distribution of the correlation matrix in Ll-filters" in CD-ROMProc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Baltimore, U.S.A., June, 2001.
    19. C.Kotropoulos and I.Pitas, "Theoretical analysis of Lp mean comparators" in CD-ROM Proc. of IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Baltimore, U.S.A., June, 2001.
    20. C.Kotropoulos, P.Mavrommatides and I.Pitas, "Phones and phonemes in Modern Greek Language" in Proc. 21st Annual Workshop Linguistics, Aristotle Univ. of Thessaloniki, Thessaloniki, Greece, pp. 315-326, 2001 (in Greek).
    21. S.Krinidis, S.Tsekeridou and I.Pitas, "Multimodal Interaction for Scene Boundary Detection" in Proc. of IEEE Int. Conf. on Nonlinear Signal and Image Processing(NSIP01), Baltimore, Maryland, USA, 3-6 June, 2001.
    22. S.Krinidis, C.Nikou and I.Pitas, "Alignment of Serially Acquired Slices using a Global Energy Function" in Proc. of IEEE Int. Conf. on Engineering in Medicine and Biology Society (EMBS01), Istanbul, Turkey, vol. 3, pp. 2414-2417, 25-28 October, 2001.
    23. S.Krinidis, C.Nikou and I.Pitas, "A Global Energy Function for the Alignment of Serially Acquired Slices" in Proc. of 8th Panhellenic Conf. on Informatics, Nicosia, Cyprus, 8-10 November, 2001.
    24. E.Loutas, K.Diamantaras and I.Pitas, "Occlusion resistant object tracking" in Proc. of IEEE Int. Conf. on Image Processing (ICIP 2001), Thessaloniki, Greece, vol. 2, pp. 65-68, 7-10 October, 2001.
    25. K.Lyroudia, P.Bakaloudi, G.Mikrogeorgis, E.Kechagias, N.Nikolaidis and I.Pitas, "Virtual endodontics: three-dimensional teeth volume representations and their pulp cavity access" in Proc. of 5th Endodontic World Congress of I.F.E.A., Madrid, 13-16 June, 2001.
    26. G.Mikrogeorgis, K.Lyroudia and I.Pitas, "A method of digital radiographic evaluation of the progress of periapical lesions", in Proc. of 5th Endodontic World Congress of I.F.E.A., Madrid, 13-16 June, 2001.
    27. N.Nikolaidis and I.Pitas, "Digital Image Processing in Painting Restoration and Archiving" in Proc. of IEEE Int. Conf. on Image Processing(ICIP 2001), Thessaloniki, Greece, vol. 1, pp. 586-589, 7-10 October, 2001.
    28. V.Solachidis, S.Tsekeridou, A.Tefas and I.Pitas, "A simple benchmarking system for performance evaluation of still image watermarking methods" in Proc. of Int. Symposium on Telecommunications (IST'01), Tehran, IRAN, pp. 193-196, 1-3 September, 2001.
    29. V.Solachidis, A.Tefas, N.Nikolaidis, S.Tsekeridou, A.Nikolaidis and I.Pitas, "A benchmarking protocol for watermarking methods" in Proc. of 2001 IEEE Int. Conf. on Image Processing(ICIP'01), Thessaloniki, Greece, pp. 1023-1026, 7-10 October, 2001.
    30. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Statistical Analysis of Markov Chaotic Sequences for Watermarking applications" in CD-ROM Proc. of 2001 IEEE Int. Symposium on Circuits and Systems(ISCAS 2001), Sydney, Australia, vol. 2, 6-9 May, 2001.
    31. A.Tefas and I.Pitas, "Robust Spatial Image Watermarking using Progressive Detection" in CD-ROM Proc. of 2001 IEEE Int. Conf. on Acoustics,Speech and Signal Processing (ICASSP 2001), Utah, USA, vol. 3, pp. 1973 -1976, 7-11 May, 2001.
    32. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Performance Analysis of Watermarking Schemes based on Skew Tent Chaotic Sequences" in CD-ROM Proc. of NSIP'01, Baltimore, Maryland, USA, 3-6 June, 2001.
    33. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Markov Chaotic Sequences for Correlation based Watermarking schemes" in Proc. of Int. Conf. on Nonlinear Dynamics(NLD'01), Thessaloniki, Greece, 27-30 August, 2001 (Also available online).
    34. A.Tefas, G.Louizis, I.Pitas, N.Nikolaidis and K.Lyroudia, "Robust spatial 3D image watermarking" in Proc. of IEEE Int. Symposium on Signal Processing and Information Technology (ISSPIT 2001), pp. 229-232, 2001.
    35. S.Tsekeridou, S.Krinidis and I.Pitas, "Scene Change Detection based on Audio-Visual Analysis and Interaction" in Proc. of 2000 Multi-Image Search and Analysis Workshop, Schloss Dagstuhl, Germany, pp. 214-225, 12-17 March, 2001.
    36. S.Tsekeridou, V.Solachidis, N.Nikolaidis, A.Nikolaidis, A.Tefas and I.Pitas, "Bernoulli Shift Generated Chaotic Watermarks: Theoretic Investigation" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2001), Salt Lake City, Utah, USA, vol.3, 7-11 May, 2001.
    37. S.Tsekeridou, V.Solachidis, N.Nikolaidis, A.Nikolaidis, A.Tefas and I.Pitas, "Theoretic Performance Analysis of a Watermarking System based on Bernoulli Chaotic Sequences" in Proc. of Communications and Multimedia Security Conf. (CMS 2001), Darmstadt, Germany, 21-22 May, 2001.
    38. S.Tsekeridou, V.Solachidis, N.Nikolaidis, A.Nikolaidis, A.Tefas and I.Pitas, "Theoretic Investigation of the Use of Watermark Signals derived from Bernoulli Chaotic Sequences" in Proc. of the 12th Scandinavian Conf. on Image Analysis 2001 (SCIA2001), Bergen, Norway, 11-14 June, 2001.
    39. S.Tsekeridou, C.Kotropoulos, A.Xafopoulos and I.Pitas, "Comparative study of speaker verification techniques based on vector quantization, sphericity models and dynamic time warping" in Proc. of European Conf. on Circuit Theory and Design, Helskinki, Finland, vol. II, pp. 13-16, August, 2001.

    2000

    1. I.Djurovic, S.Stankovic, I.Pitas, L.Stankovic and J.Tilp, "Generalization of the Fourier domain watermarking to the space/spatial-frequency domain", in Proc. of 1st Int. Workshop on Image Analusis (IWISPA 2000), pp. 47 -51, 2000.
    2. G.Karagianopoulou, A.Parathyra, A.Karydas, B.Tsakaloudi, O.Tsatos and I.Pitas, "Τρισδιάστατη αναπαράσταση των Νησιδίων Langerhans σε υλι" in Proc. of XXII National Conf. of Surgery, Athens, Greece, 18-22 November, 2000 (article in Greek).
    3. G.Karagianopoulou, B.Tsakaloudi, A.Karydas, A.Parathyra, A.Vogatzi and I.Pitas, "Ιστική Τρισδιάστατη Αναπαράσταση Μελανώματος Δ" in Proc. of XXII National Conf. of Surgery, Athens, Greece, 18-22 November, 2000 (article in Greek).
    4. C.Kotropoulos and I.Pitas, "On the theoretical properties of L_p mean comparators" in Proc. of EURASIP European Signal Processing Conf. (EUSIPCO 2000), Tampere, Finland, pp. 2405-2408, 4-8 September, 2000.
    5. S.Krinidis, N.Nikolaidis and I.Pitas, "Shape Based Alignment of 3-D Volume Slices" in Proc. of Int. Conf. on Electronics, Circuits and Systems (ICECS'00), Kaslik, Lebanon, vol. 1, pp. 438-441, 17-20 December, 2000.
    6. J.Matas, M.Hamouz, K.Jonsson, J.Kittler, Y.Li, C.Kotropoulos, A.Tefas, I.Pitas, T.Tan, H.Yan, F.Smeraldi, J.Bigun, N.Capdevielle, W.Gerstner, S.Ben-Yacoub, Y.Abdelaoued and E.Mayoraz, "Comparison of face verification results on the XM2VTS database" in Proc. of 2000 Int. Conf. on Pattern Recognition, Spain, vol. 4, pp. 858-863, 2000.
    7. A.Nedzved, S.Ablameyko and I.Pitas, "Morphological segmentation of history cell images" in Proc. of Int. Conf. on Pattern Recognition (ICPR'00), Barcelona, Spain, vol. 1, pp. 500-503, 3-8 September, 2000.
    8. A.Nikolaidis and I.Pitas, "Comparison of different chaotic maps with application to image watermarking" in Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS 2000), Geneva, Switzerland, vol. 5, 28-31 May, 2000.
    9. A.Nikolaidis and I.Pitas, "A region-based technique for chaotic image watermarking" in Proc. of EURASIP European Signal Processing Conf. (EUSIPCO 2000), Tampere, Finland, vol. 3, pp. 1681-1684, 4-8 September, 2000.
    10. N.Nikolaidis, S.Tsekeridou, A.Nikolaidis, A.Tefas, V.Solachidis and I.Pitas, "Applications of chaotic signal processing techniques to multimedia watermarking" in Proc. of the IEEE Workshop on Nonlinear Dynamics in Electronic Systems, Catania Italy, pp. 1-7, 18-20 May, 2000.
    11. V.Solachidis, N.Nikolaidis and I.Pitas, "Watermarking Polygonal Lines Using Fourier Descriptors" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'2000), Istanbul, Turkey, vol. 4, 5-9 June, 2000.
    12. V.Solachidis and I.Pitas, "Self-similar ring shaped watermark embedding in 2-D DFT domain" in CD-ROM Proc. of 2000 European Signal Processing Conf. (EUSIPCO'00), Tampere, Finland, 5-8 September, 2000.
    13. V.Solachidis, N.Nikolaidis and I.Pitas, "Fourier descriptors watermarking of vector graphic images" in CD-ROM Proc. of 2000 IEEE Int. Conf. on Image Processing (ICIP'00), Vancouver, Canada, vol. 3, pp. 9-12, 10-13 September, 2000.
    14. A.Tefas and I.Pitas, "Image Authentication based on Chaotic Mixing" in Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS'2000), Geneva, Switzerland, 28-31 May, 2000.
    15. A.Tefas, C.Kotropoulos and I.Pitas, "Face authentication by using elastic graph matching and Support Vector Machines" in Proc. 2000 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Instanbul, Turkey, vol. IV, pp. 2409-2412, 5-9 June, 2000.
    16. A.Tefas and I.Pitas, "Image Authentication and Tamper Proofing using Mathematical Morphology" in CD-ROM Proc. of European Signal Processing Conf. (EUSIPCO'2000), Tampere, Finland, 5-8 September, 2000.
    17. A.Tefas, C.Kotropoulos and I.Pitas, "Using Support Vector Machines for Face authentication based on elastic graph matching" in CD-ROM Proc. of IEEE Int. Conf. on Image Processing (ICIP'2000), Vancouver, Canada, vol. 1, pp. 29-32, 10-13 September, 2000.
    18. A.Tefas and I.Pitas, "Multi-bit Image Watermarking Robust to Geometric Distortions" in CD-ROM Proc. of IEEE Int. Conf. on Image Processing (ICIP'2000), Vancouver, Canada, vol. 3, pp. 710 -713, 10-13 September, 2000.
    19. S.Tsekeridou and I.Pitas, "Wavelet-based Self-Similar Watermarking for Still Images" in Proc. of 2000 IEEE Int. Symposium on Circuits and Systems (ISCAS'00), Geneva, Switzerland, vol. 1, 28-31 May, 2000.
    20. S.Tsekeridou and I.Pitas, "Embedding Self-Similar Watermarks in the Wavelet Domain" in Proc. of 2000 IEEE Int. Conf. on Acoustics, Systems and Signal Processing (ICASSP'00), Istanbul, Turkey, vol. 4, 5-9 June, 2000.
    21. S.Tsekeridou, F.AlayaCheikh, M.Gabbouj and I.Pitas, "Motion Field Estimation by Combined Vector Rational and Bilinear Interpolation for MPEG-2 Error Concealment" in Proc. of 2000 European Signal Processing Conf. (EUSIPCO'00), Tampere, Finland, 5-8 September, 2000.
    22. S.Tsekeridou, N.Nikolaidis, N.Sidiropoulos and I.Pitas, "Copyright Protection of Still Images Using Self-Similar Chaotic Watermarks" in Proc. of 2000 IEEE Int. Conf. on Image Processing (ICIP'00), Vancouver, Canada, vol. 1, pp. 411-414, 10-13 September, 2000.

    1999

    1. V.Chatzis and I.Pitas, "Shape-Based Interpolation of Binary 3-D Images using Morphological Skeletonization" in Proc. of IEEE Int. Conf. on Multimedia Computing and Systems (ICMCS'99), Florence, Italy, vol. 2, 7-11 June, 1999.
    2. C.Kotropoulos and I.Pitas, "Intelligence in modern communication systems" in Proc. of Int. COST 254 Workshop on Intelligenct Communication Technologies and Applications, with Emphasis on Mobile Communications, Neuchatel, Switzerland, pp. 1-12, May, 1999.
    3. C.Kotropoulos, A.Tefas and I.Pitas, "Morphological elastic graph matching applied to frontal face authentication under optimal and real conditions" in Proc. of IEEE Int. Conf. on Multimedia Computing and Systems (ICMCS'99), Florence, Italy, pp. 934-938, 7-11 June, 1999.
    4. C.Kotropoulos, A.Tefas, I.Pitas, C.Fernandez and F.Fernandez, "Performance assessment of morphological dynamic link architecture under optimal and real operating conditions" in Proc. of IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), Antalya, Turkey, pp.355-359, 20-23 June, 1999.
    5. A.Nikolaidis and I.Pitas, "A Robust Feature-based Technique for Watermarking Frontal Face Images" in Proc. of IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), Antalya, Turkey, vol. 1, pp. 341-345, 20-23 June, 1999.
    6. N.Nikolaidis and I.Pitas, "Digital Image Watermarking: an Overview" in Proc. of Int. Conf. on Multimedia Computing and Systems (ICMCS'99), Florence, Italy, vol. 1, 7-11 June, 1999.
    7. G.Richard, Y.Menguy, I.Guis, N.Suaudeau, J.Boudy, P.Lockwood, C.Fernandez, F.Fernandez, C.Kotropoulos, A.Tefas, I.Pitas, R.Heimgartner, P.Ryser, C.Beumier, S.Pigeon, G.Matas, J.Kittler, J.Bigun, Y.Abdeljaoued, E.Meurville, L.Besacier, G.Maitre, J.Luettin, S.Ben-Yacoub and B.Ruiz, "Multi Modal Verification for Teleservices and Security Applications(M2VTS)" ((abstract)) in Proc. of IEEE Int. Conf. on Multimedia Computing and Systems 1999 (ICMCS'99), Florence, Italy, pp. 1061-1063, 7-11 June, 1999.
    8. V.Solachidis and I.Pitas, "Circularly symmetric watermark embedding in 2-D DFT domain" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'99), Arizona, USA, vol. 6, pp. 3469-3472, 15-19 March, 1999.
    9. A.Tefas, Y.Menguy, C.Kotropoulos, G.Richard, I.Pitas and P.Lockwood, "Compensating for variable recording conditions in frontal face authentication algorithms" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'99), Arizona, USA, vol. 6, pp. 3561-3564, 15-19 March, 1999.
    10. A.Tefas, C.Kotropoulos and I.Pitas, "Enhancing the performance of elastic graph matching for frontal face authentication by using support vector machines" in Proc. of Int. Workshop on support vector machine theory and applications (ACCAI '99), Chania, Greece, 5-16 July, 1999.
    11. S.Tsekeridou, F.AlayaCheikh, M.Gabbouj and I.Pitas, "Motion Field Estimation by Vector Rational Interpolation for Error Concealment Purposes" in Proc. of IEEE Int. Conf. on Acoustics,Speech and Signal Processing (ICASSP'99), Arizona, USA, vol. 6, pp. 3397-4300, 15-19 March, 1999.
    12. S.Tsekeridou and I.Pitas, "Audio-Visual Content Analysis for Content-based Video Indexing" in Proc. of IEEE Int. Conf. on Multimedia Computing and Systems (ICMCS'99), Florence, Italy, vol. 1, 7-11 June, 1999.
    13. S.Tsekeridou, F.AlayaCheikh, M.Gabbouj and I.Pitas, "Application of Vector Rational Interpolation to Erroneous Motion Field Estimation for Error Concealment" in Proc. of IEEE-EURASIP Wor. on Nonlinear Signal and Image Processing (NSIP'99), Antalya, Turkey, 20-23 June, 1999.

    1998

    1. P.Bassia and I.Pitas, "Robust Audio Watermarking in the Time Domain" in Proc. of IX European Signal Processing Conf. (EUSIPCO'98), Rhodes, Greece, vol. 1, pp. 25-28, 8-11 September, 1998.
    2. A.Bors and I.Pitas, "Object segmentation and modeling in volumetric images" in Proc. of 1998 NOBLESSE Workshop on Non-Linear Model Based Image Analysis (NMBIA'98), Glasgow, Scotland, U.K., pp. 295-300, 1-3 July, 1998.
    3. A.Bors and I.Pitas, "Object segmentation in 3-D images based on alpha-trimmed mean radial basis function network" in Proc. of IX European Signal Processing Conf. (EUSIPCO'98), Rhodes, Greece, vol. 2, pp. 1093-1096, 8-11 September, 1998.
    4. A.Bors and I.Pitas, "Motion and Segmentation Prediction in Image Sequences Based on Moving Object Tracking" in Proc. of IEEE Int. Conf. on Image Processing (ICIP'98), Chicago, Illinois, USA, vol. 3, pp. 663-667, 4-7 October, 1998.
    5. V.Chatzis, A.Bors and I.Pitas, "Decision Level Fusion by Clustering algorithms for Person Authentication" in Proc. of IX European Signal Processing Conf. (EUSIPCO'98), Rhodes, Greece, vol. 3, pp. 1309-1312, 8-11 September, 1998.
    6. C.Cotsaces and I.Pitas, "Computing the Watersheds of Large Three-Dimensional Images Using Limited Random Access Memory", in International Symposium on Mathematical Morphology (ISMM 1998), Amsterdam, The Netherlands, 3-5 June, 1998.
    7. B.Dourou, K.Lyroudia, I.Batsiolas and I.Pitas, "Computerised 3D reconstruction of seven mandibular incisors", in Proc. of 3rd Congress of the Balkan Stomatological Society, Sofia, Bulgaria, 2-5 April, 1998.
    8. B.Dourou, A.Digka, G.Mikrogeorgis, G.Pappa, K.Lyroudia and I.Pitas, "Μελέτη της μορφολογίας επτά κυνοδόντων της κάτω &#", in Proc. of 18th Panhellenic Congress, Thessaloniki, Greece, 24-27 October, 1998.
    9. B.Dourou, K.Lyroudia, G.Pappa, Ch.Chatzikallinikidis, O.Pantelidou, Th.Lambrianidis and I.Pitas, "Μελέτη της μορφολογίας τριών περιπτώσεων δοντιa", in Proc. of 1th Panhellenic Endodental Congress, Athens, Greece, 27-28 November, 1998.
    10. I.Giakoumis and I.Pitas, "Digital Restoration of Painting Cracks", in Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS'98), California, USA, vol. 4, pp. 269-272, 31 May-3 June, 1998.
    11. C.A.Kapoutsis, C.P.Vavoulidis and I.Pitas, "Morphological Techniques in the Iterative Closest Point Algorithm" in Proc. of IEEE Int. Conf. on Image Processing (ICIP'98), Chicago, Illinois, USA, vol. 1, pp. 808-812, 4-7 October, 1998.
    12. C.Kotropoulos, A.Tefas and I.Pitas, "Face Authentication using Variants of Elastic Graph Matching based on Mathematical Morphology that incorporate Local Discriminant Coefficients" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'98), Washington, USA, pp. 3729-3732, 12-15 May, 1998.
    13. C.Kotropoulos, S.Tsekeridou, M.Gabrani and I.Pitas, "Adaptive LMS Order Statistic Filters with Variable Step-sizes" in Proc. of IEEE Int. Conf. on Telecommunications (ICT'98), Halkidiki, Greece, vol. 1, pp. 465-469, 22-25 June, 1998.
    14. C.Kotropoulos and I.Pitas, "Linear Projection Algorithms and Morphological Dynamic Link Architecture for Frontal Face Authentication" in Proc. of European Signal Processing Conf. (EUSIPCO'98), Rhodes, Greece, vol. 1, pp. 299-302, 8-11 September, 1998.
    15. C.Kotropoulos, A.Tefas and I.Pitas, "Frontal Face Authentication using Variants of Dynamic Link Matching based on Mathematical Morphology" in Proc. of IEEE Int. Conf. on Image Processing (ICIP'98), Chicago, USA, vol. 1, pp. 122-126, 4-7 October, 1998.
    16. A.Nikolaidis and I.Pitas, "Facial Feature Extraction and Determination of Pose" in Proc. of 1998 NOBLESSE Workshop on Non-Linear Model Based Image Analysis (NMBIA'98), Glasgow, Scotland, pp. 257-262, 1-3 July, 1998.
    17. N.Nikopoulos, V.Chatzis and I.Pitas, "3D Binary Fast Morphological Shape Decomposition" in Proc. of 1998 NOBLESSE Workshop Non-Linear Model Based Image Analysis (NMBIA'98), Glasgow, Scotland, 1-3 July, 1998.
    18. G.Pappa, K.Lyroudia, I.Batsiolas and I.Pitas, "Computerised 3D reconstruction of seven maxillary incisors", in Proc. of 3rd Congress of the Balkan Stomatological Society, Sofia, Bulgaria, 2-5 April, 1998.
    19. M.Pappas and I.Pitas, "Old painting digital color restoration" in Proc. of 1998 NOBLESSE Workshop on Non-Linear Model Based Image Analysis (NMBIA'98), Glasgow, Scotland, pp. 36-41, 1-3 July, 1998.
    20. B.Tatsi, Al.Tzobairis, G.Pappa, K.Lyroudia and I.Pitas, "Computerised 3D reconstruction of seven maxillary canines", in Proc. of 4th Student Congress, Ioannina, Greece, April, 1998.
    21. A.Tefas, C.Kotropoulos and I.Pitas, "Face Verification based on Morphological Shape Decomposition" in Proc. of IEEE Third Int. Conf. on Automatic Face and Gesture Recognition (FG'98), Nara, Japan, pp. 36-41, 14-16 April, 1998.
    22. A.Tefas, C.Kotropoulos and I.Pitas, "Variants of Dynamic Link Architecture based on Mathematical Morphology for Frontal Face Authentication" in Proc. of IEEE Conf. on Computer Vision and Pattern Recognition (CVPR'98), Santa Barbara, California, USA, vol. 1, pp. 814-819, 23-25 June, 1998.
    23. S.Tsekeridou, C.Kotropoulos and I.Pitas, "Morphological Signal Adaptive Median Filter for Still Image and Image Sequence Filtering" in Proc. of IEEE Int. Symposium on Circuits and Systems (ISCAS'98), Monterey, California, USA, vol. 4, pp. 21-24, 31 May-3 June, 1998.
    24. S.Tsekeridou and I.Pitas, "Speaker Identification for Audio Indexing Applications" in Proc. of IEEE Int. Conf. on Telecommunications (ICT'98), Porto Carras, Halkidiki, Greece, vol. 1, pp. 236-240, 22-25 June, 1998.
    25. S.Tsekeridou and I.Pitas, "Facial Feature Extraction in Frontal Views using Biometric Analogies" in Proc. of IX European Signal Processing Conf. (EUSIPCO'98), Rhodes, Greece, vol. 1, pp. 315-318, 8-11 September, 1998.
    26. S.Tsekeridou and I.Pitas, "Speaker Dependent Video Indexing based on Audio-Visual Interaction" in Proc. of IEEE Int. Conf. on Image Processing (ICIP'98), Chicago, Illinois, USA, vol. 1, pp.358-362, 4-7 October, 1998.
    27. S.Vlassis, S.Siskos and I.Pitas, "Analog Implementation of an Order Statistics Filter" in Proc. of 9th Mediterranian Electrotechnical Conf. (MELECON'98), pp. 649-653, 1998.
    28. G.Voyatzis, N.Nikolaidis and I.Pitas, "Digital Watermarking: An Overview" in Proc. of IX European Signal Processing Conf. (EUSIPCO'98), Rhodes, Greece, vol. 1, pp. 9-12, 8-11 September, 1998.
    29. G.Voyatzis and I.Pitas, "Chaotic Watermarks for Embedding in the Spatial Digital Image Domain" in Proc. of IEEE Int. Conf. on Image Processing (ICIP'98), Chicago, Illinois, USA, vol. 2, pp. 432-436, 4-7 October, 1998.
    30. G.Voyatzis, N.Nikolaidis and I.Pitas, "Copyright Protection of Multimedia Documents:From Theory to Application" in , 1998.
    31. G.Voyatzis, G.Angelopoulos, A.Bors and I.Pitas, "A system for capturing high resolution images" in Proc. of Conf. on Technology and Automatics, Greece, pp. 238-242, 1998.
    32. Ch.Chatzikallinikidis, K.Lyroudia and I.Pitas, "Εσωτερική ανατομία των άνω γομφίων. Είναι απλή ή π", in Proc. of 18th Panhellenic Congress, Thessaloniki, Greece, 24-27 October, 1998.

    1997

    1. A.Bors, W.Puech, I.Pitas and J.-M.Chassery, "Perspective Distortion Analysis for Mosaicing Images painted on Cylindrical Surfaces" in Proc. of 1997 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'97), Munich, Germany, pp. 3049-3052, 20-24 April, 1997.
    2. A.Bors and I.Pitas, "Moving Scene Segmentation using Median Radial Basis Function Network" in Proc. of 1997 IEEE Int. Symposium on Circuits and Systems (ISCAS'97), Hong Kong, vol. 1, 9-12 June, 1997.
    3. A.Bors and I.Pitas, "Alpha-trimmed Mean Radial Basis Functions and their Application in Object Modeling" in CD-ROM Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    4. A.Bors, W.Puech, I.Pitas and J.-M.Chassery, "Mosaicing of Flattened Images From Straight Homogeneous Generalized Cylinders" in Proc. of 7th Int. Conf. on Computer Analysis of Images and Patterns (CAIP'97), Kiel, Germany, pp. 122-129, 10-12 September, 1997.
    5. V.Chatzis and I.Pitas, "Randomized Fuzzy Cell Hough Transform" in Proc. of the 6th IEEE Int. Conf. on Fuzzy Systems (FUZZ-IEEE'97), Barcelona, Spain, vol. 2, 1-5 July, 1997.
    6. V.Chatzis and I.Pitas, "Fuzzy Vector Median Definition based on a Fuzzy Vector Distance" in CD-ROM Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    7. C.Cotsaces, G.Mikrogeorgis, K.Lyroudia and I.Pitas, "Digital Registration of Dental Radiographs for Monitoring Teeth Treatment" in Proc. of 8th Congress of the European Society of Endodontology, Goteborg, Sweden, pp. 39, pp. 90, 12-14 June, 1997.
    8. C.Cotsaces and I.Pitas, "Memory Efficient Propagation-based Algorithms for Influence Zone Transmission" in Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    9. A.Kadoglou and I.Pitas, "An Access Control System for Multimedia Applications" in Proc. of 6th Greek Conf. on Informatics, Athens, Greece, 4-6 December, 1997.
    10. E.Kofidis, S.Theodoridis, C.Kotropoulos and I.Pitas, "Applications of Neural Networks and Order Statistic Filters to Speckle Noise Reduction in Remote Sensing Imaging" in Neurocomputation in Remote Sensing Data Analysis: Proceedings of Concerted Actions (COMPARES) (I. Kanellopoulos, G. G. Wilikinson, F. Roli, and J. Austin, Eds.), Springer, 1997.
    11. C.Kotropoulos, I.Pitas, S.Fischer and B.Duc, "Face authentication using Morphological Dynamic Link Architecture" in Lecture Notes on Computer Science: Proceedings of the First Conf. Audio- and Video- based Biometric Person Authentication (J. Bigun, G. Chollet and G. Borgefors, Eds.), Crans-Montana, Switzerland, vol. 1206, pp. 169-176, 12-14 March, 1997.
    12. C.Kotropoulos and I.Pitas, "Rule-based face detection in frontal views" in Proc. of 1997 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP'97), Munich, Germany, vol. 4, pp. 2537-2540, 20-24 April, 1997.
    13. C.Kotropoulos, M.Gabrani and I.Pitas, "Constrained Adaptive Multichannel {L}-filters" in Proc. of 13th Int. Conf. on Digital Signal Processing (DSP'97), Santorini, Greece, pp. 279-283, 2-4 July, 1997.
    14. C.Kotropoulos, A.Tefas and I.Pitas, "Face Authentication based on Morphological Shape Decomposition" in Proc. of IEE Conf. on Image Processing and its Applications (IPA'97), Dublin, Ireland, pp. 794-798, July, 1997.
    15. C.Kotropoulos and I.Pitas, "Face Verification based on Morphological Dynamic Link Architecture" in CD-ROM Proc. of IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 8-10 September, 1997.
    16. C.Kotropoulos, M.Gabrani and I.Pitas, "Adaptive Multichannel {L}-filters with Structural Constraints" in CD-ROM Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    17. C.Kotropoulos and I.Pitas, "Face Authentication based on Morphological Grid Matching" in Proc. of 1997 IEEE Conf. on Image Processing (ICIP'97), Santa Barbara, California, USA, vol. 1, pp. 105-108, 26-29 October, 1997.
    18. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, I.Pitas, G.Samakovitis and M.Karanika, "3D Computer-aided Reconstruction of the Morphology of Teeth with Malformations" in Proc. of Medical Informatics Europe - 14th Int. Congress (MIE'97), Chalkidiki, Greece, pp. 482-486, 24-29 May, 1997.
    19. K.Lyroudia, O.Pantelidou, G.Mikrogeorgis, N.Nikopoulos and I.Pitas, "Evaluation of the Apical Microleakage of Two Root Canal Sealers by using 3-D Reconstruction" in Proc. of 8th Congress of the European Society of Endodontology, Goteborg, Sweden, pp. 16, p39, 12-14 June, 1997.
    20. K.Lyroudia, O.Pantelidou, G.Mikrogeorgis, N.Nikopoulos, I.Pitas and I.Arxontaki, "Εκτίμηση της μυλικής μικροδιείσδυσης σε ενδοδο_", in Proc. of 17th Panhellenic Congress, Rhodos, Greece, 29 October-1 November, 1997.
    21. G.Mikrogeorgis, K.Lyroudia, N.Nikopoulos, I.Pitas and I.Molyvdas, "3D Computer-aided Reconstruction of Six Teeth with Morphological Abnormalities" in Proc. of 8th Congress of the European Society of Endodontology, Goteborg, Sweden, pp. 27, p63, 12-14 June, 1997.
    22. A.Nikolaidis, C.Kotropoulos and I.Pitas, "Facial feature extraction using Adaptive Hough Transform, template matching and active contour models" in Proc. of 13th Int. Conf. on Digital Signal Processing (DSP'97), Santorini, Greece, pp. 865-868, 2-4 July, 1997.
    23. N.Nikopoulos and I.Pitas, "An Efficient Algorithm for 3D Binary Morphological Transformations with 3D Structuring Elements of Arbitrary Size and Shape" in CD-ROM Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    24. M.Pappas and I.Pitas, "Digital Color Restoration of Old Paintings" in CD-ROMProc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    25. I.Pitas, C.Kotropoulos, N.Nikolaidis and A.Bors, "Robust and Adaptive Techniques in Self-Organising Neural Networks" in Nonlinear Analysis, Theory, Methods & Applications: Proc. of the Second World Congress of Nonlinear Analysts, pp. 4517-4528, 1997.
    26. W.Puech, A.Bors, J.-M.Chassery and I.Pitas, "Mosaique de Peintures sur cylindres generalises uniformes a axe droit" in Proc. of 16th Colloque GRETSI, Grenoble, France, September, 1997.
    27. W.Puech, J.-M.Chassery and I.Pitas, "Curved Surface Reconstruction Based on Parallels" in Proc. of 3rd Int. Conf. on Curves and Surfaces,Chamonix, France, pp. 481, 1997.
    28. K.Sobottka and I.Pitas, "A Fully Automatic Approach to Facial Feature Detection and Tracking" in Proc. of 1st Int. Conf. on Audio- and Video-based Biometric Person Authentication (AVBPA'97), Crans-Montana, Switzerland, pp. 77-84, 12-14 March, 1997.
    29. S.Tsekeridou, I.Pitas and C.LeBuhan, "An Error Concealment Scheme for MPEG-2 coded video sequences" in Proc. of 1997 IEEE Int. Symposium on Circuits and Systems (ISCAS'97), Hong Kong, pp. 1289-1292, vol.2, 9-12 June, 1997.
    30. S.Tsekeridou and I.Pitas, "Error Concealment Techniques in MPEG-2" in CD-ROM Proc. of 1997 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP'97), Michigan, USA, 7-11 September, 1997.
    31. C.P.Vavoulidis and I.Pitas, "Morphological Iterative Closest Point Algorithm" in Proc. of 7th Int. Conf. on Computer Analysis of Images and Patterns (CAIP'97), Kiel, Germany, 10-12 September, 1997.
    32. G.Voyatzis and I.Pitas, "Embedding Robust Watermarks by Chaotic Mixing" in Proc. of 13th Int. Conf. on Digital Signal Processing (DSP'97), Santorini, Greece, vol. 1, 2-4 July, 1997.

    1996

    1. M.Acheroy, C.Beumier, J.Biguen, G.Chollet, B.Duc, S.Fischer, D.Genoud, S.Fischer, P.Lockwood, G.Maitre, S.Pigeon, I.Pitas, K.Sobottka and L.Vandendorpe, "Multi-modal person verification tools using speech and images" in Proc. of the European Conf. on Multimedia Applications,Services and Techniques, Louvain-La-Neuve, Belgium, pp. 747-761, 28-30 May, 1996.
    2. A.Bors and I.Pitas, "Moving Object recognition Based on Radial Basis Functions Networks" in Proc. of 9th Image and Multidimensional Signal Processing Workshop, Belize City, Belize, pp. 34-35, 3-6 March, 1996.
    3. A.Bors and I.Pitas, "Embedding Parametric Digital Signatures in Images" in Proc. of EUSIPCO-96, Trieste, Italy, vol. 3, September, 1996.
    4. A.Bors and I.Pitas, "Image Watermarking Using DCT Domain Constraints" in Proc. of 1996 IEEE Int. Conf. on Image Processing (ICIP'96), Lausanne, Switzerland, vol. 3, pp. 231-234, 16-19 September, 1996.
    5. V.Chatzis and I.Pitas, "Introducing the Select and Split Fuzzy Cell Hough Transform" in Proc. of ICPR '96, Vienna, Austria, vol. 2, pp. B552-B556, 25-30 August, 1996.
    6. V.Chatzis and I.Pitas, "Select and Split Fuzzy Cell Hough Transform-A fast and efficient method to detect contours in images" in Proc. of the Fifth IEEE Int. Conf. on Fuzzy Systems (FUZZ-IEEE'96), New Orleans, USA, vol. 3, pp. 1892-1898, 8-11 September, 1996.
    7. V.Chatzis and I.Pitas, "Fuzzy Cell Hough Transform" in Proc. of EUSIPCO-96, Trieste, Italy, vol. 3, September, 1996.
    8. C.Dimou and I.Pitas, "Parameter Estimation of Non-Translational Motion Fields" in Proc. of EUSIPCO-96, Trieste, Italy, vol. 2, September, 1996.
    9. V.Dourou, G.Mikrogeorgis, N.Nikopoulos, K.Lyroudia and I.Pitas, "3D Reconstruction of seven Upper Premolars" in Proc. of the 2nd Congress of European Dental Students, Athens, Greece, 1-6 October, 1996.
    10. C.Kotropoulos, I.Pitas and M.Gabrani, "Multichannel adaptive L-filters in color image processing" in Proc. of the IEEE Int. Conf. on Image Processing (ICIP '96), Lausanne, Switzerland, vol. 1, pp. 989-992, 16-19 September, 1996.
    11. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, G.Samakovitis, I.Molyvdas and I.Pitas, "3D Reconstruction of two Double Teeth" in Proc. of 1st Balkan Dental Congress, Thessaloniki, Greece, pp. 164, March, 1996.
    12. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, G.Samakovitis, I.Molyvdas and I.Pitas, "Computerized 3D reconstruction of two double teeth", in 3-Dimensional Imaging Sciences in Microscopy, Oxford, England, 1996.
    13. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, G.Samakovitis, I.Pitas and I.Molyvdas, "Computerised 3D Reconstruction of two Double Teeth" in Proc. of the Int. Conf. on Confocal and Near-field Microscopy, joined with three-dimensional Image Processing in Microscopy, Oxford, England, 14-17 April, 1996.
    14. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, G.Samakovitis, I.Molyvdas and I.Pitas, "Computerized 3D reconstruction of two double teeth.", in 1ο Βαλκανικό Οδοντιατρικό Συνέδριο, Thessaloniki, Greece, 28-31 Μαρτίου, 1996.
    15. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, M.Karanika and I.Pitas, "3D Reconstruction of the Morphology of two Odontomas" in Proc. of the 16th Greek Dental Congress, Athens, Greece, pp. 101, 24-27 October, 1996.
    16. K.Lyroudia, G.Samakovitis, I.Molyvdas, Th.Lambrianidis, G.Mikrogeorgis and I.Pitas, "Κινούμενη τρισδιάστατη αναπαράσταση της μορφολ", in Proc. of 1st Balkan Dental Congress and 15th Panhellenic Dental Conf., 28-31 March, 1996.
    17. K.Lyroudia, G.Mikrogeorgis, N.Nikopoulos, M.Karanika and I.Pitas, "Τρισδιάστατη αναπαράσταση της μορφολογίας δύο `", in Proc. of 16th Panhellenic Dental Congress, Athens, Greece, 24-27 October, 1996.
    18. N.Nikolaidis and I.Pitas, "Copyright protection of images using robust digital signatures" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP-96), pp. 2168-2171, May, 1996.
    19. N.Nikolaidis and I.Pitas, "Adaptive Multichannel L Filters Based on Reduced Ordering" in Proc. of EUSIPCO-96, Trieste, Italy, vol. 1, September, 1996.
    20. N.Nikopoulos, C.Dimou, V.Chatzis and I.Pitas, "Simulation of an Access Control System for Image-Related Services" in Proc. of 1996 Int. Conf. on Electronics, Circuits and Systems (ICECS'96), Rodos, Greece, vol. 1, pp. 354-357, 13-16 October, 1996.
    21. M.Pappas and I.Pitas, "Soft Morphological Operators Based on Nonlinear Lp Mean Operators" in Proc. of the 1996 Int. Symposium on Mathematical Morphology (ISMM'96), Atlanta, USA, pp. 187-193, May, 1996.
    22. M.Pappas and I.Pitas, "Sorting Networks Using Nonlinear Lp Mean Comparators" in Proc. of1996 Int. Symposium on Circuits and Systems (ISCAS'96), Atlanta, USA, vol. 2, May, 1996.
    23. I.Pitas, "A Method for Signature Casting on Digital Images" in 1996 IEEE Int. Conf. on Image Processing (ICIP'96), Lausanne, Switzerland, vol. 3, pp. 215-218, 16-19 September, 1996.
    24. W.Puech, A.Bors, J.-M.Chassery and I.Pitas, "Mosaicing of Paintings on Curved Surfaces" in Proc. of 3rd IEEE Workshop on Applications of Computer Vision (WACV'96), Sarasota, Florida, U.S.A, pp. 44-49, 2-4 December, 1996.
    25. K.Sobottka and I.Pitas, "Localization of Facial Regions and Features in Color Images" in Proc. of 4th Open Russian-German Workshop: Pattern Recognition and Image Analysis, Valday, The Russian Federation, pp. 134-138, 3-9 March, 1996.
    26. K.Sobottka and I.Pitas, "Extraction of Facial Regions and Features using Color and Shape Information" in Proc. of Int. Conf. on Pattern Recognition (ICPR'96), Vienna, Austria, vol. 3, pp. C421-C425, 25-29 August, 1996.
    27. K.Sobottka and I.Pitas, "Face Localization and Facial Feature Extraction Based on Shape and Color Information" in Proc. of 1996 IEEE Int. Conf. on Image Processing (ICIP'96), Lausanne, Switzerland, vol. 3, pp. 483-486, 16-19 September, 1996.
    28. K.Sobottka and I.Pitas, "Segmentation and Tracking of Faces in Color Images" in Proc. of 2nd Int. Conf. on Automatic Face and Gesture Recognition 1996, Killington, Vermont, USA, pp. 236-241, 14-16 October, 1996.
    29. S.Tsekeridou, C.Kotropoulos and I.Pitas, "Morphological Signal Adaptive Median Filter for Noise Removal" in Proc. of 1996 Int. Conf. on Electronics, Circuits and Systems (ICECS'96), Rodos, Greece, vol. 1, pp. 191-194, 13-16 October, 1996.
    30. G.Voyatzis and I.Pitas, "Chaotic Mixing of Digital Images and Applications to Watermarking" in Proc. of European Conf. on Multimedia Applications,services and Techniques (ECMAST'96), Louvain-la-Neuve, Belgium, vol. 2, May, 1996.
    31. G.Voyatzis and I.Pitas, "Applications of Toral Automorphisms in Image Watermarking" in Proc. of 1996 IEEE Int. Conf. on Image Processing (ICIP'96), Lausanne, Switzerland, vol. 2, pp. 237-240, 16-19 September, 1996.

    1995

    1. G.Angelopoulos and I.Pitas, "Parallel Digital Signal Filtering on Barrel Shifter Computers" in Proc. of the ISCAS95 Conf., Seattle, Washington, USA, pp. 1368-1371, April, 1995.
    2. G.Angelopoulos and I.Pitas, "Parallel Digital Signal Processing Algorithms on Barrel Shifter Computers" in Proc. of IEEE Workshop on Nonlinear Signal and Image Processing, Neos Marmaras, Greece, pp. 883-886, June, 1995.
    3. A.Bors and I.Pitas, "Median Radial Basis Functions Network for Motion Field Processing" in Proc. of IEEE Workshop on Nonlinear Signal and Image Processing, Neos Marmaras, Greece, pp. 702-705, June, 1995.
    4. A.Bors and I.Pitas, "Segmentation and Estimation of the Optical Flow" in Proc. of Int. Conf. of Computer Analysis of Images and Patterns, Prague, Czech Rep., pp. 680-685, September, 1995.
    5. V.Chatzis and I.Pitas, "Mean and Median of Fuzzy Numbers" in Proc. of IEEE Workshop on Nonlinear Signal and Image Processing, Neos Marmaras, Greece, pp. 297-300, June, 1995.
    6. D.Coltuc and I.Pitas, "Fast Running Max/Min Filters" in Proc. of the IEEE Workshop on Nonlinear Signal and Image Processing, Neos Marmaras, Greece, pp. 871-874, June, 1995.
    7. D.Coltuc and I.Pitas, "One-dimensional and two-dimensional Jordan Decomposition Filters" in Proc. of the IEEE Workshop on Nonlinear Signal and Image Processing, Neos Marmaras, Greece, pp. 979-982, June, 1995.
    8. D.Coltuc and I.Pitas, "Morphological Signal Decomposition" in Proc. of the IEEE Workshop on Nonlinear Signal and Image Processing, Neos Marmaras, Greece, pp. 983-986, June, 1995.
    9. D.Coltuc and I.Pitas, "Memory Mappings for Fast Peano Scan" in Proc. of ECCT 1995 European Conf. on Circuits Theory and Design, Instanbul, Turkey, pp. 817-821, August, 1995.
    10. D.Coltuc and I.Pitas, "Low Level Image Processing by Jordan Decomposition Filters" in Proc. of ECCT 1995 European Conf. on Circuits Theory and Design, Instanbul, Turkey, pp. 1019-1023, August, 1995.
    11. D.Coltuc and I.Pitas, "Jordan Decomposition Filters" in Proc. of the IEEE Int. Symposium on Circuits and Systems, Washington, vol. 3, pp. 1896-1899, 1995.
    12. C.Dimou and I.Pitas, "Block Matching Algorithms for motion estimation in Mesh Connected Computers" in Proc. of ECCTD 1995 European Conf. on Circuits Theory and Design, Instanbul, Turkey, pp. 331-335, August, 1995.
    13. N.Nikolaidis and I.Pitas, "Optimal multichannel L-filters based on reduced ordering" in Proc. of the IEEE Workshop on Nonlinear Image and Signal Processing, Neos Marmaras, Greece, pp. 507-510, June, 1995.
    14. N.Nikolaidis and I.Pitas, "Edge Detection Operators for Angular Data" in Proc. of the IEEE Int. Conf. on Image Processing (ICIP 95), pp. 157-160, October, 1995.
    15. M.Pappas and I.Pitas, "Grayscale Morphology Using Nonlinear L_p Mean Filters" in Proc. of the 1995 IEEE Workshop on Nonlinear Signal and Image Processing (NSIP' 95), Neos Marmaras, Greece, vol. 1, June, 1995.
    16. M.Pappas and I.Pitas, "Binary Matrix Set Morphology" in Proc. of the 8th Int. Symposium on Theoretical Electrical Engineering (ISTET'95), Greece, pp. 203-206, 1995.
    17. I.Pitas and T.H.Kaskalis, "Applying Signatures on Digital Images" in Proc. of IEEE Workshop on Nonlinear Image and Signal Processing, Neos Marmaras, Greece, pp. 460-463, June, 1995.

    1994

    1. G.Angelopoulos and I.Pitas, "A Fast Implementation of two-dimensional Weighted Median Filters" in Proc. of the ICPR94 Conf., Signal Processing, Jerusalem, Israel, pp. 140-142, October, 1994.
    2. G.Angelopoulos and I.Pitas, "Two-dimensional Vector Median Filters on Mesh Connected Computers" in Proc. of the ICIP94 Conf., Austin, Texas, vol. 3, November, 1994.
    3. A.Bors and I.Pitas, "Robust estimation for radial basis functions" in Proc. of IEEE Neural Networks for Signal Processings, Ermioni, Greece, pp. 105-114, September, 1994.
    4. A.Buchowicz and I.Pitas, "Multichannel distance filters" in Proc. of the IEEE Int. Conf. on Image Processing, Austin-Texas, USA, vol. 2, November, 1994.
    5. A.Buchowicz and I.Pitas, "Application of multichannel distance filters to colour image processing" in Proc. of the XVII Polish National Conf. on Circuit Theory, Poland, 1994.
    6. D.Coltuc and I.Pitas, "Morphological signal decomposition in digital image compression" in Proc. of the Mathematical Morphology and its Applications, to Image Processing-Poster Constributions, editor J. Sella and P. Soille, pp. 5-6, 1994.
    7. M.Gabrani, C.Kotropoulos and I.Pitas, "Cellular adaptive LMS L-filters for noise suppression in still images and image sequences" in Proc. of the IEEE Int. Conf. on Image Processing (ICIP '94), Austin, Texas, U.S.A., pp. I-358-I-361, November, 1994.
    8. E.Kofidis, S.Theodoridis, C.Kotropoulos and I.Pitas, "Segmentation-based L-filtering of speckle-noise in ultrasonic images" in Proc. of the SPIE Symposium on Electronic Imaging Science and Technology:Nonlinear Image Processing V, California, U.S.A, vol. 2180, February, 1994.
    9. C.Kotropoulos and I.Pitas, "Multichannel L-filter design based on marginal data ordering" in Proc. of the IEEE Int. Conf. on Acoustics,Speech and Signal Processing, Adelaide, Australia, pp. III-93--III-96, April, 1994.
    10. C.Kotropoulos, I.Pitas and M.Gabbouj, "Marginal median Learning Vector Quantizer" in Proc. of the European Signal Processing Conf. (EUSIPCO '94), Edinburg, U.K., pp. 1496-1499, August, 1994.
    11. C.Kotropoulos and I.Pitas, "Adaptive LMS L-filters for smoothing noisy images" in Proc. of the Int. Conf. on Pattern Recognition (ICPR' 94), Jerusalem, Israel, pp. 181-183, October, 1994.
    12. K.Lyroudia, N.Nikolaidis, C.Palakidis and I.Pitas, "Three-dimensional reconstuction of pulpal blood vessels and nerves" in Proc. of the Int. Conf. on Confocal and Near-field Microscopy, joined with three-dimensional Image Processing in Microscopy, Munich, German, 25-28 April, 1994 (organized by the Society for 3-D Imaging Sciences in Microscopy).
    13. N.Nikolaidis and I.Pitas, "Application of directional statistics in vector direction estimation" in Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Adelaide, Australia, vol. 5, April, 1994.
    14. N.Nikolaidis and I.Pitas, "Optimal L-filters for vector magnitude filtering" in Proc. of European Signal Processing Conf. (Eusipco '94), pp. 955-959, 1994.
    15. I.Pitas, C.Kotropoulos, N.Nikolaidis, R.Yang and M.Gabbouj, "A class of order statistics Learning Vector Quantizers" in Proc. of the IEEE Int. Symposium on Circuits and Systems (ISCAS 94), London, U.K., pp. 387-390, May, 1994.
    16. I.Pitas and A.Karasaridis, "Discrete multichannel orthogonal transforms" in Proc. of the IEEE Int. Conf. on Acoustics, Speech,and Signal Processing (ICASSP 94), pp. 325-328, 1994.
    17. R.Yang, M.Gabbouj, I.Pitas and C.Kotropoulos, "A class of Robust Learning Vector Quantizers" in Signal Processing VII: Theories and Applications, Edinburg, U.K, pp. 564-567, August, 1994.

    1993

    1. C.Kotropoulos, I.Pitas and A.Maglara, "Voronoi Tessellation and Delauney Triangulation using Euclidean Disk Growing in Z^2" in Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Minneapolis, U.S.A, pp. 29-32, April, 1993.
    2. C.Kotropoulos and I.Pitas, "Multichannel L-filters based on M-ordering" in Proc. of the IEEE Winter Workshop on Nonlinear Digital Signal Processing, Finland, pp. 1.2-3.1--1.2-3.6, 1993.
    3. C.Kotropoulos and I.Pitas, "Error-analysis of recursive algorithms for computing the correlation matrix of the order statistics" in Proc. of the IEEE Winter Workshop on Nonlinear Digital Signal Processing, Tampere, Finland, pp. 6.2-1.1-6.2-1.6, 1993.
    4. C.Kotropoulos, I.Pitas, X.Magnisalis and M.G.Strintzis, "A variant of Learning Vector Quantizer based on the L_2 mean for segmentation of ultrasonic images" in Proc. of the IEEE Int. Symposium on Circuits and Systems, U.S.A, pp. 679-682, 1993.
    5. C.Kotropoulos and I.Pitas, "A variant of Learning Vector Quantizer based on split-merge statistical tests" in Proc. of Lecture Notes in Computer Science:Computer Analysis of Images and Patterns (D. Chetverikov and W. G. Kropatsch, eds.), pp. 822-829, 1993.
    6. C.Kotropoulos, X.Magnisalis, I.Pitas and M.G.Strintzis, "Signal-adaptive maximum likelihood filtering of ultrasonic speckle" in Proc. of the European Conf. on Circuit Theory and Design (ECCTD '93), Switzerland, pp. 1635-1638, 1993.
    7. C.Kotropoulos and I.Pitas, "Split-merge Learning Vector Quantizer algorithm" in Proc. of the European Conf. on Circuit Theory and Design (ECCTD '93), Switzerland, pp. 465-468, 1993.
    8. K.Lyroudia, I.Pitas, N.Nikolaidis and C.Palakidis, "Three-dimensional Computerized Microscopy with Applications in the study of Dental Pulp" in Proc. of ICB-NIH Workshop on Image Processing in Medicine and Biology, Warsaw, Poland, May, 1993.
    9. K.Lyroudia, C.Palakidis, I.Pitas, A.Manthos and N.Nikolaidis, "Three-dimensional reconstruction of pulpal vessels and nerve endings using transmission electron microscopy" in Proc. of the 6th Biennial Congress,European Society of Endodontology, London, pp. 16, 11-13 November, 1993.
    10. S.Malasiotis, N.Nikolaidis, M.G.Strintzis and I.Pitas, "A smoothing algorithm with reliability constraints for image motion field coding" in Proc. of the Int. Congress on Communication and Control, Rhodes, Greece, August, 1993.
    11. N.Nikolaidis, I.Pitas and T.Kilindris, "Application of directional statistics to nonlinear vector field filtering and analysis" in Proc. of IEEE Winter Workshop on Nonlinear digital signal processing, Finland, pp. 1.2.4.1-1.2.4.6, 1993.
    12. N.Nikolaidis, I.Pitas and M.G.Strintzis, "Combined evaluation of motion and disparity vector fields for stereoscopic sequence coding" in Proc. of Computer Analysis of Images and Patterns (CAIP93), Budapest, pp. 387-394, 1993.
    13. I.Pitas and A.N.Venetsanopoulos, "Nonlinear digital signal/image processing:overview and perspectives" in Proc. of IEEE Winter Workshop on Nonlinear digital signal processing, Finland, 1993 (invited paper).
    14. I.Pitas and A.N.Venetsanopoulos, "Application of adaptive order statistic filters in digital image/image sequence filtering" in Proc. of IEEE Int. Symposium on circuits and systems, U.S.A, vol. 1, pp. 327-330, 1993.
    15. I.Pitas and C.Lialios, "Seismic image segmentation techniques" in Proc. of the Int. Conf. on Image processing:theory and applications, San Remo, 1993.
    16. I.Pitas, "Application of multichannel two-dimensional AR modeling to color image processing" in Proc. of Int. Conf. on Image processing: theory and applications, San Remo, 1993.
    17. I.Pitas, "State of the art of morphological and nonlinear digital image processing" in Proc. of IEE Colloquium on morphological and nonlinear image processing techniques, London, 1993.
    18. H.Sahinoglou, S.Malasiotis, N.Nikolaidis, N.Grammalidis, M.G.Strintzis and I.Pitas, "A motion/disparity vector field smoothing algorithm" in Proc. of 1993 Picture Coding Symposium, Lausanne, 1993.
    19. D.Tzovaras, M.G.Strintzis, H.Sahinoglou and I.Pitas, "Use of multiresolution techniques for vector field coding in motion and disparity estimation" in Proc. of the Int. Congress on Communication and Control, Rhodes, Greece, August, 1993.
    20. D.Tzovaras, M.G.Strintzis and I.Pitas, "Multiresolution block matching techniques for motion and disparity estimation" in Proc. of 1993 Picture Coding Symposium, Lausanne, 1993.

    1992

    1. G.Angelopoulos and I.Pitas, "2-D FFT algorithms with parallel bit reversion on hypercube computers" in Proc. of the EUSIPCO92 Conf., Belgium, pp. 921-924, 1992.
    2. A.Kanlis, M.G.Strintzis and I.Pitas, "Optimum filters in the construction of pyramid image series" in Proc. of Int. Symposium on signals,systems and electronics(ISSSE92), France, pp. 142-145, 1992.
    3. C.Kotropoulos, E.Auge and I.Pitas, "Two layer Learning Vector Quantizer for color image quantization" in Proc. of Signal Processing VI: Theories and Applications, pp. 1177-1180, 1992.
    4. K.Lyroudia, P.Zervas, N.Nikolaidis and I.Pitas, "Computerized three-dimensional reconstruction of dental pulp vessels and nerve bundles by using light microscope" in Proc. of the 12th Hellenic Dental Conf., Greece, 1992.
    5. I.Pitas and P.Kiniklis, "Multichannel histogram equalization with applications in the HSI color space" in Proc. of the EUSIPCO92 Conf., Belgium, pp. 1469-1472, 1992.
    6. I.Pitas and G.Maratos, "Adaptation of nonlinear filter length via probabilistic hill climbing algorithms" in Proc. of Int. Symposium on signals, systems and electronics(ISSSE92), France, pp. 664-667, 1992.
    7. I.Pitas and T.Kilindris, "A software package for parallel color and grayscale image processing" in Proc. of the ERCIM Workshop on Parallel Architectures for Computer Vision, Greece, pp. 142-148, 1992.
    8. I.Pitas, "Digital image processing and analysis in remote sensing", in , Thessaloniki, 1992.
    9. M.G.Strintzis, X.Magnisalis, C.Kotropoulos, I.Pitas and N.Maglaveras, "Maximum likelihood signal-adaptive filtering of speckle in ultrasound B-mode images" in Proc. of IEEE Int. Conf. on Engineering in Medicine and Biology Society Conf. (EMBS '92), Paris, France, pp. 1870-1871, November, 1992.
    10. D.Tzovaras, M.G.Strintzis and I.Pitas, "Image coding using nonlinear principal component analysis and vector quantization" in Proc. of Int. Symposium on signals,systems and electronics (ISSSE92), France, pp. 883-886, 1992.

    1991

    1. G.Angelopoulos and I.Pitas, "Multichannel Wiener filters in color image restoration based on AR color image modeling" in Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Toronto, pp. 2517-2520, 1991.
    2. G.Angelopoulos and I.Pitas, "Multichannel image modeling in Wiener filter design for color image restoration" in Proc. of MELECON 1991, Ljubliana, 1991.
    3. G.Angelopoulos and I.Pitas, "Two-dimensional FFT algorithms on hypercube machines" in Proc. of the 3rd Int. Conf. on Applications of Transputers, Glaskow, U.K., pp. 754-759, August, 1991.
    4. E.Auge and I.Pitas, "Segmentation of color images by using the Learning Vector Quantizer" in Proc. of PCA Bonn Workshop, Bonn, 1991.
    5. C.Kotropoulos and I.Pitas, "Design of the constrained adaptive LMS L-filters" in Proc. of the IEEE Mediterranean Electrotechnical Conf. (MELECON '91), Ljubliana, Slovenia, pp. 379-382, May, 1991.
    6. C.Kotropoulos and I.Pitas, "Constrained adaptive LMS L-filters" in Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Toronto, Canada, pp. 1665-1668, 1991.
    7. C.Kotropoulos and I.Pitas, "Nonlinear filtering of speckle noise in ultrasonic images" in Proc. of Computer Analysis of Images and Patterns Conf. (CAIP '91), Germany, pp. 118-123, 1991.
    8. P.Ligdas and I.Pitas, "Vector radix 2x2 FFT implementation on a transputer machine" in Proc. of PCA Bonn Workshop, Bonn, 1991.
    9. X.Magnisalis, C.Kotropoulos, I.Pitas and M.G.Strintzis, "Use of fractal dimension in signal-adaptive filters for speckle reduction in ultrasound B-mode images" in Proc. of the 10th Int. Congress for Medical Informatics (MIE '91), Austria, pp. 550-554, 1991.
    10. I.Pitas, A.Maglara and C.Kotropoulos, "Morphological Voronoi tessellation and Delauney triangulation" in Proc. of Computer Analysis of Images and Patterns Conf. (CAIP '91), Germany, pp. 184-189, 1991.
    11. I.Pitas and A.N.Venetsanopoulos, "Morphological shape representation" in Proc. of the IEEE Int. Conf. on Acoustics, Speech and Signal Processing, Toronto, pp. 2381-2384, 1991.
    12. I.Pitas, "ESPRIT Parallel Computing Action:an overview" in Proc. ofTransputer applications 91, U.K., 1991.

    1990

    1. G.Angelopoulos and I.Pitas, "Parallel algorithms in color image restoration" in Proc. of ESPRIT PCA Workshop, Southampton, pp. 81-85, 1990.
    2. G.Angelopoulos and I.Pitas, "Parallel implementation of two-dimensional FFT algorithms on a hypercube" in Proc. of PCA Ispra Workshop, Ispra, pp. 401-405, 1990.
    3. C.Kotropoulos and I.Pitas, "Texture description rules for geophysical image segmentation" in Proc. of Signal Processing V: Theories and Applications, pp. 597-600, 1990.
    4. N.Maglaveras, D.Ziabaras, I.Pitas and M.G.Strintzis, "Parallel solution of multipath wave equation using transputers" in Proc. of PCA Ispra Workshop, Ispra, 1990.
    5. I.Pitas and A.N.Venetsanopoulos, "LMS and RLS Adaptive L-filters" in Proc. of the IEEE Int. Conf. on Acoustics, Albuquerque, pp. 1389-1392, 1990.
    6. I.Pitas, "Morphological signal decomposition" in Proc. of the IEEE Int. Conf. on Acoustics, Albuquerque, pp. 2169-2172, 1990.
    7. I.Pitas, "Marginal order statistics in color image processing" in Proc. of Signal Processing V: Theories and applications, pp. 809-812, 1990.
    8. I.Pitas and S.Vougioukas, "Adaptive nonlinear filters based on order statistics" in Proc. of Signal Processing V: Theories and applications, pp. 397-400, 1990.
    9. I.Pitas and A.Maglara, "Morphological range image decomposition" in Proc. of Signal Processing V: Theories and applications, pp. 1683-1686, 1990.
    10. I.Pitas, "ESPRIT PCA:Signal Processing and neural networks group" in Proc. of PCA Ispra Workshop, Ispra, 1990.

    1989

    1. G.Angelopoulos and I.Pitas, "Least-squares multichannel filters in color image restoration" in Proc. of European Conf. on Circuit Theory and Design, Brighton, pp. 114-117, 1989.
    2. C.Kotropoulos, I.Pitas and P.Tyraskis, "Segmentation of seismic images" in Proc. 1st Hellenic Conf. Geophysics, Greece, pp. 112-122, 1989 (in Greek).
    3. I.Pitas and C.Kotropoulos, "Texture analysis and segmentation of seismic images" in Proc. of IEEE Int. Conf. on Acoustics, Speech and Signal Processing, U.K, pp. 1337-1340, 1989.
    4. I.Pitas and A.N.Venetsanopoulos, "Adaptive L-filters" in Proc. of European Conf. on Circuit Theory and Design, Brighton, pp. 580-584, 1989.
    5. I.Pitas and A.N.Venetsanopoulos, "Morphological shape representation and recognition" in Proc. of the 3rd Int. Workshop on timevarying image processing and moving object recognition, Florence, pp. 49-56, 1989.
    6. I.Pitas, "Fast running ordering and max/min selection algorithms" in Proc. of CAIP89, Leipzig, pp. 32-37, 1989.
    7. I.Pitas, "A Viterbi algorithm for region segmentation and edge detection" in Proc. of CAIP89, Leipzig, pp. 129-133, 1989.

    1988

    1. I.Pitas and A.N.Venetsanopoulos, "A general nonlinear filter structure for image processing, Invited tutorial" in Proc. of IEEE Int. Symposium on Circuits and Systems, Helsinki, pp. 949-952, 1988.

    1987

    1. I.Pitas and A.N.Venetsanopoulos, "Probabilistic seismic migration based on the Bayesian estimation" in Proc. of the eleventh GRETSI Int. Conf. on Digital Signal processing, Nice, France, June, 1987.
    2. I.Pitas and A.N.Venetsanopoulos, "Shape decomposition by mathematical morphology" in Proc. of Int. Conf. on Computer Vision, London, pp. 621-625, June, 1987.
    3. I.Pitas and A.N.Venetsanopoulos, "A novel general class of nonlinear filters for image processing" in Proc. of MELECON 87 and 34th Congress on Electronics (joint conf.), pp. 433-436, 1987.
    4. I.Pitas and A.N.Venetsanopoulos, "AGIS: an expert system for automated geophysical interpretation of seismic images" in Proc. of the IEEE Int. Conf. on Acoustics, USA, pp. 2256-2259, 1987.
    5. I.Pitas and A.N.Venetsanopoulos, "Detection of seismic events in the earth subsurface" in Proc. of the Int. Conf. on Digital Signal Processing, Italy, pp. 932-937, 1987.
    6. I.Pitas, "A Viterbi algorithm for image edge detection" in Proc. of the 11th Int. Conf. GRETSI on Digital Signal Processing, France, 1987.
    7. I.Pitas, "Computer Vision: an overview", in Proc. of the 1st Conf. on Robotics, Athens, 1987.

    1986

    1. I.Pitas and A.N.Venetsanopoulos, "Knowledge-based image processing for geophysical interpretation" in Proc. of European Signal Processing Conf., Hague, pp. 1211-1214, 1986.
    2. I.Pitas and M.G.Strintzis, "An efficient and systematic technique for the parallel implementation of DFT algorithms" in Proc. of the European Signal Processing Conf., Hague, pp. 1251-1254, 1986.
    3. I.Pitas and A.N.Venetsanopoulos, "Edge detectors based on nonlinear filters" in Proc. of the European Conf. on Signal Processing, Hague, pp. 937-940, 1986.

    1985

    1. I.Pitas and A.N.Venetsanopoulos, "Symmetries of three-dimensional digital filters and their application to filter design" in Proc. of the IEEE Int. Conf. on Circuits and Systems, Japan, 1985.
    2. I.Pitas and A.N.Venetsanopoulos, "On the performance of edge detectors based on nonlinear filters" in Proc. of the IAESTED Int. Symposium on Applied Signal Processing and Digital Filtering: Applied Signal Processing, M. H. Hamza editor, France, pp. 152-154, 1985.
    3. I.Pitas and A.N.Venetsanopoulos, "Bayesian estimation of medium properties in wavefield inversion techniques" in Proc. of the IEEE Int. Conf. on Acoustics, USA, pp. 830-833, 1985.
    4. A.N.Venetsanopoulos and I.Pitas, "A class of nonlinear mean filters for image processing" in Proc. of the 7th European Conf. on Circuit Theory and Design, Prague, Chechoslovakia, pp. 594-597, 1985.

    1984

    1. I.Pitas and M.G.Strintzis, "Two-dimensional convolution algorithms with the minimal multiplications" in Proc. of the Int. Conf. on Signal Processing, Florence, pp. 785-788, 1984.
    2. I.Pitas and A.N.Venetsanopoulos, "Transform decomposition realization of two-dimensional digital filters" in Proc. of the 1984 Conf. on Information Sciences and Systems, Princeton, USA, 1984.
    3. I.Pitas and A.N.Venetsanopoulos, "Symmetries in three-dimensional digital filters" in Proc. of the 12th Biennial Symposium in communications, Queens University, Canada, pp. B.2.1-B2.1.5, 1984.
    4. I.Pitas and A.N.Venetsanopoulos, "Multidimensional filter design through symmetries" in Proc. of Telecommunications and control, pp. 296-299, 1984.
    5. I.Pitas and A.N.Venetsanopoulos, "Nonlinear statistical means and their application to image processing" in Proc. of the IEEE Int. Conf. on Energy and Communications, Montreal, pp. 270-273, 1984.

    1983

    1. I.Pitas and M.G.Strintzis, "On the computation of two-dimensional DFTs under memory constraints" in Proc. of Signal processing II: Theories and Applications, H.W. Schuessler editor, North Holland, pp. 739-742, 1983.
    2. I.Pitas and M.G.Strintzis, "Algorithms and structures for convolutions over Galois Fields" in Proc. of the 9th Conf. on Signal Processing its Applications, France, pp. 341-345, 1983.
    3. I.Pitas and M.G.Strintzis, "Floating-point error analysis of two efficient algorithms used in the fast computation of two-dimensional DFTs" in Proc. of Signal Processing II: Theories and Applications, H.W. Schuessler editor, North Holland, pp. 219-222, 1983.
    4. I.Pitas and M.G.Strintzis, "Techniques for the parallel implementation of DFT algorithms" in Proc. of the 1983 IAESTED Symposium on Measurement and Control, Patras, pp. 246-250, 1983.
    5. I.Pitas, M.G.Strintzis, S.Grippas and C.Xerostylides, "Machine classification of ishemic electrocardiograms" in Proc. of the IEEE Mediterranean Electrotechnical Conf. (MELECON), Athens, 1983.
    6. I.Pitas, M.G.Strintzis and N.Maglaveras, "Two-dimensional cubic convolution interpolation in computer tomography" in Proc. of the IEEE Mediterranean Electrotechnical Conf. (MELECON), Athens, 1983.

    1982

    1. I.Pitas and M.G.Strintzis, "On the multiplicative complexity of two-dimensional fast convolution algorithms" in Proc. of the IEEE Int. Symposium on Information Theory, France, pp. 129-130, 1982.

    1981

    1. I.Pitas and M.G.Strintzis, "In-place computation of the DFT of multi-indexed sequences" in Proc. of the Int. Conf. on Signal Processing, Florence, pp. 600-613, 1981.

    1. I. Mademlis, A.Tefas, N.Nikolaidis and I.Pitas, "Compact Video Description and Representation for Automated Summarization of Human Activities", in INNS conference on Big Data, Thessaloniki, Greece.

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