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    1. N.Tsapanos, A.Tefas and I.Pitas, "Algebraic Graph Analysis" in Graph-Based Social Media Analysis, edited by: I. Pitas, pp. 35-66, Boca Raton, FL:CRC Press, 2016.


    1. M.Kyperountas, A.Tefas and I.Pitas, "Discriminant learning in large databases using training space partitioning" in Advances in Face Image Analysis - Techniques and Technologies, edited by: ZHANG Yu-Jin, Pennsylvania, July, 2010.
    2. G.Goudelis, A.Tefas and I.Pitas, "Inteligent Multimedia Analysis for Emerging Biometrics" in Intelligent Multimedia Analysis for Security Applications, edited by: Springer, 2010.
    3. A.Tefas and I.Pitas, "Principal Component Analysis" in The Industrial Electronics Hanbook, edited by: Bodgan Wilamowski and J. David Irwin, CRC press, 2010.


    1. A.Tefas, N.Nikolaidis and I.Pitas, "Image Watermarking:Techniques and Applications" in The Essential Guide to Image Processing, 2009.
    2. A.Tefas and I.Pitas, "Face Verification based on Elastic Graph Matching" in Biometrics: Theory, Methods, and Applications, edited by: Wiley-IEEE Press, Inc., 2009.


    1. N.Nikolaidis, A.Tefas and I.Pitas, "Chaotic Sequences for Digital Watermarking" in Advances On Nonlinear Signal And Image Processing, EURASIP Book Series on Signal Processing and Communications, edited by: S. Marshall and G. Sicuranza, Hindawi Publishing Corporation, pp 205-238, 2006.


    1. A.Tefas, N.Nikolaidis and I.Pitas, "Watermarking Techniques for Image Authentication and Copyright Protection" in The Handbook of Image and Video Processing, 2nd edition, edited by: Al Bovik, Elsevier, pp 1083-1109, 2005.

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