Publications | IVA
Image and Video Analysis
Publications
2010

Conferences

P. Tzouveli, K. Raftopoulos, K. Ntalianis, S. Kollias. Semantic Object Watermark Re-Synchronization Based on Skeleton Vertex Corresponds. In Proceedings of ACM Multimedia 2010 Workshop - Multimedia in Forensics, Security and Intelligence (MiFor) (MiFor - ACM Multimedia 2010), October 2010.
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Book Chapters

G. Caridakis, P. Tzouveli, L. Malatesta, A. Raouzaiou, K. Karpouzis, S. Kollias. Affective e-Learning System: Analysis of Learners State. In Affective, Interactive and Cognitive Methods for E-Learning Design: Creating an Optimal Education Experience, A. Tzanavari, N. Tsapatsoulis (Eds.), IGI Global , 2010.
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2009

Journals

S. Asteriadis, P. Tzouveli, K. Karpouzis, S. Kollias. Estimation of behavioral user state based on eye gaze and head pose—application in an e-learning environment. In Multimedia Tools and Applications, Springer, vol 41, no. 3, pp. 469-493, February 2009.
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K. Ntalianis, P. Tzouveli, S. Kollias. Protection of Real and Artwork Human Objects Based on a Chaotic Moments Modulation Method. In Journal of Information Assurance and Security, 2009.
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P. Tzouveli, N. Simou, G. Stamou, S. Kollias. Semantic Classification of Byzantine Icons. In IEEE Intelligent Systems, vol 24, no. 2, pp. 35-43, March, April 2009.
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PhD Thesis

P. Tzouveli. Ανάλυση Πολυμεσικού Υλικού και Κατηγοριοποίηση Χρηστών σε Περιβάλλοντα Ηλεκτρονικής Μάθησης/ Multimedia content analysis and users’ categorization in learning environment. PhD Thesis, National Technical University of Athens, School of Electrical and Computer Engineering, July 2009.
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2008

Journals

P. Tzouveli, Ph. Mylonas, S. Kollias. An intelligent e-learning system based on learner profiling and learning resources adaptation. In Computers and Education, vol 51, no. 1, pp. 224-238, August 2008.
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Conferences

P. Tzouveli, A. Schmidt, M.Schneider, A. Symvonis, S. Kollias. Adaptive Reading Assistance for the Inclusion of Students with Dyslexia: The AGENT-DYSL approach. In Proceedings of 8th IEEE International Conference on Advanced Learning Technologies (ICALT 2008), July 2008.
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V. Giannekou, P. Tzouveli, Y. Avrithis and S.Kollias. Affine invariant curve matching using normalization and curvature scale-space. In Proceedings of 6th International Workshop on Content-Based Multimedia Indexing (CBMI 2008), London, UK, June 2008.
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S. Asteriadis, P. Tzouveli, K. Karpouzis, S. Kollias. A non-intrusive method for user focus of attention estimation in front of a computer monitor. In Proceedings of IEEE Conference on Automatic Face and Gesture Recognition (FG 2008), Amsterdam, The Netherlands, June 2008.
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K. Raftopoulos, P. Tzouveli, K. Ntalianis, S. Kollias, D.Kalomoirakis, N. Fyssas, G. Foukaneli. Saint Classification in Byzantine Art. In Proceedings of 14th International Conference on Virtual Systems and MultiMedia (VSMM 2008), October 2008.
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P. Tzouveli, K. Ntalianis and S. Kollias. Semantic Region Protection Using Hu Moments and a Chaotic Pseudo-random Number Generator. In Proceedings of International IEEE Workshop on Computational Intelligence in Security for Information Systems (CISIS 2008), October 2008.
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P. Tzouveli, N. Simou, G. Stamou, S. Kollias, D. Kalomoirakis, G. Foukaneli, N. Fyssas. Sacred Figure Recognition based on Byzantine Iconography Knowledge. In Proceedings of Conference on Digital Heritage in the new knowledge environment: shared spaces & open paths to cultural content, Athens, Greece, November 2008.
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2007

Journals

Ph. Mylonas, P. Tzouveli, S. Kollias. E-learning and intelligent content adaptation: an integrated approach. In International Journal of Continuing Engineering Education and Life-Long Learning, vol 17, no. 4/5, pp. 273-293, September 2007.
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Conferences

P. Tzouveli, K. Ntalianis, A. Symvonis, S. Kollias. An intelligent adaptable reading system targeting people with learning difficulties. In Proceedings of 4th Greek conference on ICT and Education, Syros, Greece , May 2007.
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P. Tzouveli, E. Mitropoulou, K. Ntalianis, S. Kollias, A. Symvonis. Design of an Accommodative Intelligent Educational Enviroments For Dyslexic Learners. In Proceedings of 11th Conference on Learning Difficulties in the Framework of School Education, Athens, Greece, 2007.
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S. Asteriadis, P. Tzouveli, K. Karpouzis, S. Kollias. Non-verbal feedback on user interest based on gaze direction and head pose. In Proceedings of 2nd International Workshop on Semantic Media Adaptation and Personalization (SMAP 2007), London, UK, December 2007.
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Book Chapters

Ph. Mylonas, P. Tzouveli, S. Kollias. An integrated approach towards intelligent educational content adaptation. In Emerging Artificial Intelligence Applications in Computer Engineering, IOS Press, October 2007.
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2006

Books

P. Tzouveli, S. Kollias. E-questionnaire for innovative adaptive-learning scheme. Idea Group Reference, May 2006.
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Conferences

P. Tzouveli, K. Ntalianis, S. Kollias. Chaotic Encryption Driven Watermarking of Human Video Objects Based on Hu Moments. In Proceedings of 3rd IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI 2006), Athens, Greece, June 2006.
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P. Tzouveli, K. Ntalianis, S. Kollias. Confronting the synchronization problem of semantic region under geometric attacks. In Proceedings of IEEE International Conference on Multimedia & Expo (ICME 2006), Toronto, Canada, July 2006.
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P. Tzouveli, Y. Avrithis, S. Kolllias. Fast Video Object Tracking using Affine Invariant Normalization. In Proceedings of 3rd IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI 2006), Athens, Greece, June 2006.
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P. Tzouveli, K. Ntalianis, S. Kollias. Video object watermarking using Hu moments . In Proceedings of 13th International Conference on Systems, Signals and Image Processing (IWSSIP 2006), Budapest, Hungary, September 2006.
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2005

Conferences

P. Tzouveli, K. Ntalianis, S. Kollias. Human Video Object Watermarking Based on HU Moments. In Proceedings of IEEE 2005 Workshop on Signal Processing Systems, November 2005.
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P. Tzouveli, K. Ntalianis, S. Kollias. Human Face Watermarking based on Zernike Moments. In Proceedings of IEEE Symposium on Signal Processing and Information Technology, December 2005.
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Ph. Mylonas, P. Tzouveli, S. Kollias. Intelligent content adaptation in the framework of an integrated e-learning system. In Proceedings of 16th ACM Conf. on Hypertext & Hypermedia - Workshop on Combining Intelligent & Adaptive Hypermedia Methods/Techniques in Web-Based Education Systems, Salzburg, Austria, September 2005.
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P.Tzouveli, K. Ntalianis, S. Kollias. Video Objects Watermarking: Hu versus Zernike Moments. In Proceedings of International Workshop Very Low Bitrate Video Coding (VLBV 2005), Sardinia, Italy, July 2005.
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2004

Journals

P. Tzouveli, S. Kollias. Using e-questionnaire as an improvement to a learners¢ adaptation system. In Learning Technology Newsletter, IEEE Computer Society, vol 6, no. 4, May 2004.
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Conferences

P. Tzouveli, Ph. Mylonas, S. Kollias. SPERO - A personalized integrated e-learning system. In Proceedings of International Association for Development of the Information Society (IADIS 2004), Madrid, Spain, October 2004.
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Tzouveli P., Ntalianis K., Kollias S.. Security of Human Video Objects by Incorporating a Chaos-Based Feedback Cryptographic Scheme. In Proceedings of ACM Multimedia 2004, New York, USA, October 2004.
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Ph. Mylonas, P. Tzouveli, S. Kollias. Towards a personalized e-learning scheme for teachers. In Proceedings of 4th IEEE International Conference on Advanced Learning Technologies (ICALT 2004), Joensuu, Finland, August 2004.
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Tzouveli P., Kollias S.. User adaptation in e-learning enviroments. In Proceedings of IFIP World Computer Congress, Technology Enhanced Learning (IFIP 2004), Toulouse, France, August 2004.
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Book Chapters

P. Tzouveli, G. Andreou, G. Tsechpenakis, Y. Avrithis, S. Kollias. Intelligent Visual Descriptor Extraction from Video Sequences. In Lecture Notes in Computer Science - Adaptive Multimedia Retrieval, Springer-Verlag, pp. 132-146, 2004.
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2003

Conferences

P. Tzouveli, K. Ntalianis, S. Kollias. Automatic Videoconference Objects Watermarking Using Object Adapted Qualified Significant Wavelet Trees. In Proceedings of International Workshop Very Low Bitrate Video Coding (VLBV 2003), Madrid, Spain, September 2003.
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P. Tzouveli, G. Andreou, G. Tsechpenakis, Y. Avrithis, S. Kollias. Intelligent Visual Descriptor Extraction from Visual Sequences. In Proceedings of International Workshop on Adaptive Multimedia Retrieval (AMR 2003), Hamburg, Germany, September 2003.
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K. Karpouzis, A. Raouzaiou, P. Tzouveli, S.Ioannou, S. Kollias. MPEG-4: One multimedia standard to unite all. In Proceedings of IEEE International Conference on Multimedia & Expo (ICME 2003), Baltimore, MD, USA, July 2003.
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P.Tzouveli, N. Tsapatsoulis, S. Kollias, M. Michaelidou. On the Development of User Adapted E-learning Schemes. In Proceedings of International Conference on New Horizons in Industry and Education (NHIBE 2003), Santorini, Greece, August 2003.
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2002

Conferences

P.Tzouveli, K. Ntalianis, N. Tsapatsoulis, S.Kollias. Automatic face region watermarking using qualified significant wavelet trees . In Proceedings of 9th International Workshop on Systems, Signal and Image Processing,Control Systems Centre (IWSSIP 2002), Manchester, UK, November 2002.
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