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    2016

    1. O.Zoidi, A.Tefas, N.Nikolaidis and I.Pitas, "Positive and negative label propagation", IEEE Transactions on Circuits and Systems for Video Technology, 2016.
    2. I.Kapsouras, A.Tefas, N.Nikolaidis, G. Peeters, L. Benaroya and I.Pitas, "Multimodal speaker clustering in full length movies", Multimedia Tools and Applications, pp. 1-20, 2016.
    3. J.Blat, A.Evans, H.Kim, E.Imre, L.Polok, V.Ila, N.Nikolaidis, P.Zemcik, A.Tefas, P.Smrz, A.Hilton and I.Pitas, "Big Data Analysis for Media Production", Proceedings of the IEEE, 2016.
    4. I. Mademlis, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Exploiting stereoscopic disparity for augmenting human activity recognition performance", Multimedia Tools and Applications, vol. 75, no. 19, pp. 11641-11660, 2016.
    5. F. Patrona, A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Visual Voice Activity Detection in the Wild", IEEE Transactions on Multimedia, vol. 18, no. 6, pp. 967 - 977, 2016.
    6. I. Mademlis, A.Tefas, N.Nikolaidis and I.Pitas, "Multimodal Stereoscopic Movie Summarization Conforming to Narrative Characteristics", IEEE Transactions on Image Processing, vol. PP, no. 99, pp. 1 - 1, 2016.
    7. S.Delis, I. Mademlis, N.Nikolaidis and I.Pitas, "Automatic Detection of 3D Quality Defects in Stereoscopic Videos Using Binocular Disparity", IEEE Transactions on Circuits and Systems for Video Technology, vol. PP, no. 99, 2016.

    2015

    1. T.Theodoridis, K. Papachristou, N.Nikolaidis and I.Pitas, "Object motion analysis description in stereo video content", Computer Vision and Image Understanding, 2015 (accepted).
    2. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "A Distributed Framework for Trimmed Kernel k-means Clustering", Pattern Recognition, vol. 48, pp. 2685–2698, 2015.
    3. O.Zoidi, E. Fotiadou, N.Nikolaidis and I.Pitas, "Graph-based label propagation in digital media: A Review", ACM Computing Surveys, vol. 47, no. 3, 2015.
    4. I.Kapsouras and N.Nikolaidis, "Person identity recognition on motion capture data using multiple actions", Machine Vision and Applications, vol. 26, no. 7, pp. 905-918, 2015.
    5. G.Orphanidis, A.Tefas, N.Nikolaidis and I.Pitas, "Facial image clustering in stereoscopic videos using double spectral analysis", Signal Processing: Image Communication, vol. 33, pp. 86-105, 2015.

    2014

    1. I.Kapsouras and N.Nikolaidis, "Action recognition on motion capture data using a dynemes and forward differences representation", Journal of Visual Communication and Image Representation, vol. 25, no. 6, pp. 1432-1445, 2014.
    2. E. Fotiadou and N.Nikolaidis, "Activity-based methods for person recognition in motion capture sequences", Pattern Recognition Letters, vol. 49, pp. 48-54, 2014.
    3. I.Marras, N.Nikolaidis and I.Pitas, "3D geometric split-merge segmentation of brain MRI datasets", Computers In Biology and Medicine, vol. 48, pp. 119-132, 2014.
    4. O.Zoidi, A.Tefas, N.Nikolaidis and I.Pitas, "Person identity label propagation in stereo videos", IEEE Transactions on Multimedia, vol. 16, issue 5, pp. 1358-1368, 2014.
    5. O.Zoidi, N.Nikolaidis, A.Tefas and I.Pitas, "Stereo Object Tracking with Fusion of Texture, Color and Disparity Information", Signal Processing: Image Communication, vol. 29, Issue 5, pp. 573-589, 2014.

    2012

    1. A.Iosifidis, A.Tefas, N.Nikolaidis and I.Pitas, "Multi-view human movement recognition based on Fuzzy distances and Linear Discriminant Analysis", Computer Vision and Image Understanding, vol. 116, pp. 347-360, March, 2012.
    2. S.Nikitidis, N.Nikolaidis and I.Pitas, "Multiplicative Update Rules for Incremental Training of Multiclass Support Vector Machines", Pattern Recognition, vol 45, no 5, pp. 1838-1852, May, 2012.
    3. S.Nikitidis, A.Tefas, N.Nikolaidis and I.Pitas, "Subclass Discriminant Non negative Matrix Factorization for Facial Image Analysis", Pattern Recognition, vol. 45, issue 12, pp. 4080-4091, December, 2012.
    4. N.Tsapanos, A.Tefas, N.Nikolaidis and I.Pitas, "Shape matching using a binary search tree structure of weak classifiers", Pattern Recognition, vol. 45, no. 6, pp. 2363-2376, 2012.
    5. N.Vretos, N.Nikolaidis and I.Pitas, "Video Fingerprinting Using Latent Dirichlet Allocation and Facial Images", Pattern Recognition, vol. 45, no. 7,pp. 2489-2498, July, 2012.

    2011

    1. I.Marras, N.Nikolaidis and I.Pitas, "Frontal facial pose recognition using a discriminant splitting feature extraction procedure", Journal of Computing and Information Technology, vol 19, no 4, 2011.

    2010

    1. S.Nikolopoulos, S.Zafeiriou, N.Nikolaidis and I.Pitas, "Image replica detection system utilizing R-trees and linear discriminant analysis", Pattern Recognition, vol. 43, no 3, pp. 636-649, March, 2010.

    2009

    1. S.Asteriadis, N.Nikolaidis and I.Pitas, "Facial Feature Detection Using Distance Vector Fields", Pattern Recognition, vol. 42 , no. 7, pp. 1388-1398, July, 2009.
    2. C.Cotsaces, N.Nikolaidis and I.Pitas, "Semantic Video Fingerprinting and Retrieval Using Face information", Signal Processing: Image Communication, vol 24, no. 7, pp. 598-613, August, 2009.
    3. M.Krinidis, N.Nikolaidis and I.Pitas, "3-D Head Pose Estimation in Monocular Video Sequences Using Deformable Surfaces and Radial Basis Functions", IEEE Transactions on Circuits and Systems for Video Technology, vol. 19, no. 2, pp. 261 - 272, February, 2009.
    4. S.Siatras, N.Nikolaidis, M.Krinidis and I.Pitas, "Visual Lip Activity Detection and Speaker Detection Using Mouth Region Intensities", IEEE Transactions on Circuits and Systems for Video Technology, vol. 19, no. 1 pp. 133-137, January, 2009.
    5. P.Sidiropoulos, N.Nikolaidis and I.Pitas, "Invertible Chaotic Fragile Watermarking for Robust Image Authentication.", Chaos, Solitons and Fractals, vol. 42, issue 5, pp. 2667 - 2674, December, 2009.

    2008

    1. Z.Cernekova, C. Malerczyk, N.Nikolaidis and I.Pitas, "Interaction In Edutainment Applications Using Monocular Posture Tracking", Computer Graphics and Geometry, vol. 10, no. 2, pp 25-33, 2008.
    2. I.Buciu, N.Nikolaidis and I.Pitas, "Non-negative matrix factorization in polynomial feature space", IEEE Trans. on Neural Networks, vol. 19 no. 6, pp. 1090-695, June, 2008.
    3. C.Cotsaces, N.Nikolaidis and I.Pitas, "Face-based digital signatures for video retrieval", IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 4, pp. 549 - 553, April, 2008.
    4. I.Marras, N.Nikolaidis, G.Mikrogeorgis, K.Lyroudia and I.Pitas, "A Virtual System for Cavity Preparation in Endodontics", Journal of Dental Education, vol. 72, no. 4, April, 2008.

    2007

    1. M.Krinidis, N.Nikolaidis and I.Pitas, "The Discrete Modal Transform and its Application to Lossy Image Compression, Signal Processing: Image Communication", Elsevier, vol.22, no. 5, pp. 480-504, 2007.
    2. M.Krinidis, N.Nikolaidis and I.Pitas, "2D Feature Point Selection and Tracking Using 3D Physics-Based Deformable Surfaces", IEEE Transactions on Circuits and Systems for Video Technology, vol. 17, no. 8, pp. 876-888, 2007.
    3. V.Rodriguez-Doncel, N.Nikolaidis and I.Pitas, "An Optimal Detector Structure for the Fourier Descriptors Domain Watermarking of 2D Vector Graphics", IEEE Transactions on Visualization and Computer Graphics, vol. 13, no. 5 pp. 851-863, September/October, 2007.
    4. G.Stamou, M.Krinidis, N.Nikolaidis and I.Pitas, "A Monocular System for Person Tracking: Implementation and Testing", Journal on Multimodal Interfaces, vol. 1, no. 2, pp. 31-47, 2007.

    2006

    1. C.Cotsaces, N.Nikolaidis and I.Pitas, "Video Shot Boundary Detection and Condensed Representation: A Review", IEEE Signal Processing Magazine, vol. 23 no. 2 pp. 28-37, March, 2006.
    2. I.Giakoumis, N.Nikolaidis and I.Pitas, "Digital image processing techniques for the detection and removal of cracks in digitized paintings", IEEE Transactions on Image Processing, vol. 15, no. 1, January, 2006.
    3. G.Mikrogeorgis, I.Molyvdas, K.Lyroudia, N.Nikolaidis and I.Pitas, "A new methodology for the comparative study of the root canal instrumentation techniques based on digital radiographic image processing and analysis", Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, vol 101, no 6, pp. 125-131, June, 2006.

    2004

    1. G.Mikrogeorgis, K.L.Lyroudia, I.Molyvdas, N.Nikolaidis and I.Pitas, "Digital Radiograph Registration and Subtraction: A Useful Tool for the Evaluation of the Progress of Chronic Apical Periodontitis", Journal of Endodontics, vol. 30, no. 7, July, 2004.
    2. K.Lyroudia, G.Mikrogeorgis, Ch.Chatzikallinikidis, E.Kechagias, N.Nikolaidis and I.Pitas, "3-Dimensional Volume Reconstruction of Primmary Teeth and Their Virtual Pulp Cavity Access", Balkan Journal of Stomatology, pp. 134-137, 2004.
    3. G.Mikrogeorgis, K.Lyroudia, I.Molyvdas and N.Nikolaidis, "Digital Radiograph Registration and Subtraction: A Useful Tool for the Evaluation of the Progress of Chronic Apical Periodontitis", Journal of Endodontics, vol. 30, no. 7, July, 2004.

    2003

    1. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Markov chaotic sequences for correlation based watermarking schemes", Chaos, Solitons and Fractals, vol. 17, pp. 567-573, 2003.
    2. A.Tefas, A.Nikolaidis, N.Nikolaidis, V.Solachidis, S.Tsekeridou and I.Pitas, "Performance Analysis of Correlation-based Watermarking Schemes employing Markov Chaotic Sequences", IEEE Transactions on Signal Processing, vol. 51, no. 7, pp. 1979 - 1994, July, 2003.

    2002

    1. K.Lyroudia, G.Mikrogeorgis, P.Bakaloudi, E.Kechagias, N.Nikolaidis and I.Pitas, "Virtual endodontics: three-dimensional teeth volume representations and their pulp cavity access", ((abstract)) Journal of Endodontics, pp.599-602, 2002.

    2001

    1. P.Bassia, I.Pitas and N.Nikolaidis, "Robust audio watermarking in the time domain", IEEE Transactions on Multimedia, vol. 3, no. 2, June, 2001.
    2. S.Tsekeridou, V.Solachidis, N.Nikolaidis, A.Nikolaidis, A.Tefas and I.Pitas, "Statistical Analysis of a Watermarking System based on Bernoulli Chaotic Sequences, Signal Processing", Elsevier Special Issue on Information Theoretic Issues in Digital Watermarking, vol. 81, no. 6, pp. 1273-1293, 2001.

    1998

    1. C.Kotropoulos, N.Nikolaidis, A.Bors and I.Pitas, "Robust and Adaptive Techniques in Self-organizing Neural Networks", ((scanned pdf)) Int. Journal of Computer Mathematics, vol. 67, pp. 183-200, 1998.
    2. N.Nikolaidis and I.Pitas, "Robust image watermarking in the spatial domain", Signal Processing, Elsevier, vol. 66, no. 3, pp. 385-403, 1998.
    3. N.Nikolaidis and I.Pitas, "Nonlinear Processing and Analysis of Angular Signals", IEEE Transactions on Signal Processing, vol. 46, no. 12, December, 1998.

    1996

    1. S.Cerutti, G.Carrault, P.J.M.Cluitmans, A.Kinie, T.Lipping, N.Nikolaidis, I.Pitas and M.G.Signorini, "Non-linear algorithms for processing biological signals", Computer Methods and Programs in Biomedicine, vol. 51, no. 1,2, October, 1996.
    2. N.Nikolaidis and I.Pitas, "Multichannel L-filters Based on Reduced Ordering", IEEE Transactions on Circuits and Systems for Video Technology, vol. 6, no. 5, October, 1996.
    3. I.Pitas, C.Kotropoulos, N.Nikolaidis, R.Yang and M.Gabbouj, "Order Statistics Learning Vector Quantizer", IEEE Transactions on Image Processing, Special Issue on Nonlinear Image Processing, vol. 5, no. 6, June, 1996.

    1995

    1. K.Lyroudia, N.Nikolaidis, I.Pitas and C.Palakidis, "Three computer methods to reconstruct pulpal blood vessels and nerves", Journal of Endodontics, vol. 21, no. 10, October, 1995.
    2. K.Lyroudia, C.Palakidis, A.Manthos, N.Nikolaidis, I.Pitas and C.Foroglou, "Computerized reconstruction of TEM examined pulpal blood vessels and nerves", Endodontics and Dental Traumatology, vol. 11, no. 4, pp. 189-195, 1995.

    1994

    1. N.Nikolaidis and I.Pitas, "Directional statistics in nonlinear vector field filtering", Signal Processing, pp. 299-316, 1994.

    1993

    1. K.Lyroudia, N.Nikolaidis, I.Pitas, P.Zervas and C.Palakidis, "Computerized three-dimensional reconstruction: a method to study pulpal vessels and nerves", Journal of Endodontics, vol. 19, no. 12, December, 1993.

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