Stefanos D. Kollias

Konstantinos Raftopoulos, Klimis S. Ntalianis, Dionyssios D. Sourlas, Stefanos D. Kollias: Mining User Queries with Markov Chains: Application to Online Image Retrieval. IEEE Trans. Knowl. Data Eng. 25(2): 433-447 (2013)

Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias: Tractable reasoning with vague knowledge using fuzzy $\mathcal{EL}^{++}$. J. Intell. Inf. Syst. 39(2): 399-440 (2012)

George Caridakis, Kostas Karpouzis, Athanasios I. Drosopoulos, Stefanos D. Kollias: Non parametric, self organizing, scalable modeling of spatiotemporal inputs: The sign language paradigm. Neural Networks 36: 157-166 (2012)

Konstantinos Rapantzikos, Yannis S. Avrithis, Stefanos D. Kollias: Spatiotemporal Features for Action Recognition and Salient Event Detection. Cognitive Computation 3(1): 167-184 (2011)

Konstantinos Raftopoulos, Stefanos D. Kollias: The Global-Local transformation for noise resistant shape representation. Computer Vision and Image Understanding 115(8): 1170-1186 (2011)

Yannis Kalantidis, Giorgos Tolias, Yannis S. Avrithis, Marios Phinikettos, Evaggelos Spyrou, Phivos Mylonas, Stefanos D. Kollias: VIRaL: Visual Image Retrieval and Localization. Multimedia Tools Appl. 51(2): 555-592 (2011)

Konstantinos Raftopoulos, Stefanos D. Kollias: Visual Pathways for Shape Abstraction. ICANN (1) 2011: 291-298

Stylianos Asteriadis, Kostas Karpouzis, Stefanos D. Kollias: Robust validation of Visual Focus of Attention using adaptive fusion of head and eye gaze patterns. ICCV Workshops 2011: 414-421

Petros Kapsalas, Stefanos D. Kollias: Affine morphological shape stable boundary regions (SSBR) for image representation. ICIP 2011: 3381-3384

Stylianos Asteriadis, Kostas Karpouzis, Stefanos D. Kollias: The Importance of Eye Gaze and Head Pose to Estimating Levels of Attention. VS-GAMES 2011: 186-191

George Caridakis, Kostas Karpouzis, Athanasios I. Drosopoulos, Stefanos D. Kollias: SOMM: Self organizing Markov map for gesture recognition. Pattern Recognition Letters 31(1): 52-59 (2010)

Konstantinos Rapantzikos, Yannis S. Avrithis, Stefanos D. Kollias: Detecting Regions from Single Scale Edges. ECCV Workshops (1) 2010: 298-311

Evaggelos Spyrou, Yannis Kalantidis, Giorgos Tolias, Phivos Mylonas, Stefanos D. Kollias: Intelligent content retrieval using a visual vocabulary and geometric constraints. FUZZ-IEEE 2010: 1-8

Petros Kapsalas, Stefanos D. Kollias: Shape-stable region boundary extraction via affine morphological scale space (AMSS). ACM Multimedia 2010: 1215-1218

Lori Malatesta, Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias: Towards modeling embodied conversational agent character profiles using appraisal theory predictions in expression synthesis. Appl. Intell. 30(1): 58-64 (2009)

Paraskevi K. Tzouveli, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias: Semantic Classification of Byzantine Icons. IEEE Intelligent Systems 24(2): 35-43 (2009)

Stylianos Asteriadis, Paraskevi K. Tzouveli, Kostas Karpouzis, Stefanos D. Kollias: Estimation of behavioral user state based on eye gaze and head pose - application in an e-learning environment. Multimedia Tools Appl. 41(3): 469-493 (2009)

Lori Malatesta, Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias: MPEG-4 facial expression synthesis. Personal and Ubiquitous Computing 13(1): 77-83 (2009)

Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Yannis S. Avrithis, Stefanos D. Kollias: Spatiotemporal saliency for video classification. Sig. Proc.: Image Comm. 24(7): 557-571 (2009)

Phivos Mylonas, Evaggelos Spyrou, Yannis S. Avrithis, Stefanos D. Kollias: Using Visual Context and Region Semantics for High-Level Concept Detection. IEEE Transactions on Multimedia 11(2): 229-243 (2009)

Konstantinos Rapantzikos, Yannis S. Avrithis, Stefanos D. Kollias: Dense saliency-based spatiotemporal feature points for action recognition. CVPR 2009: 1454-1461

Stylianos Asteriadis, Kostas Karpouzis, Stefanos D. Kollias: Feature Extraction and Selection for Inferring User Engagement in an HCI Environment. HCI (1) 2009: 22-29

George Caridakis, Kostas Karpouzis, Athanasios I. Drosopoulos, Stefanos D. Kollias: Adaptive gesture recognition in Human Computer Interaction. WIAMIS 2009: 270-274

Stefanos D. Kollias, Yannis S. Avrithis (Eds.): Seventh International Workshop on Content-Based Multimedia Indexing, CBMI '09, Chania, Crete, June 3-5, 2009. IEEE Computer Society 2009, isbn 978-0-7695-3662-0

Paraskevi K. Tzouveli, Phivos Mylonas, Stefanos D. Kollias: An intelligent e-learning system based on learner profiling and learning resources adaptation. Computers & Education 51(1): 224-238 (2008)

Phivos Mylonas, Thanos Athanasiadis, Manolis Wallace, Yannis S. Avrithis, Stefanos D. Kollias: Semantic representation of multimedia content: Knowledge representation and semantic indexing. Multimedia Tools Appl. 39(3): 293-327 (2008)

Nikos Simou, Thanos Athanasiadis, Giorgos Stoilos, Stefanos D. Kollias: Image indexing and retrieval using expressive fuzzy description logics. Signal, Image and Video Processing 2(4): 321-335 (2008)

Vasiliki Giannekou, Paraskevi K. Tzouveli, Yannis S. Avrithis, Stefanos D. Kollias: Affine invariant curve matching using normalization and curvature scale-space. CBMI 2008: 208-215

Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefanos D. Kollias: Semantic Region Protection Using Hu Moments and a Chaotic Pseudo-random Number Generator. CISIS 2008: 286-293

Stylianos Asteriadis, Paraskevi K. Tzouveli, Kostas Karpouzis, Stefanos D. Kollias: A non-intrusive method for user focus of attention estimation in front of a computer monitor. FG 2008: 1-2

Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias: Reasoning with qualified cardinality restrictions in fuzzy Description Logics. FUZZ-IEEE 2008: 637-644

Paraskevi K. Tzouveli, Andreas P. Schmidt, Michael Schneider, Antonis Symvonis, Stefanos D. Kollias: Adaptive Reading Assistance for the Inclusion of Students with Dyslexia: The AGENT-DYSL Approach. ICALT 2008: 167-171

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias: Adaptation of Connectionist Weighted Fuzzy Logic Programs with Kripke-Kleene Semantics. ICANN (1) 2008: 492-502

Nikos Simou, Thanos Athanasiadis, Stefanos D. Kollias, Giorgos B. Stamou, Andreas Stafylopatis: Semantic Adaptation of Neural Network Classifiers in Image Segmentation. ICANN (1) 2008: 907-916

Stylianos Asteriadis, Kostas Karpouzis, Stefanos D. Kollias: A Neuro-fuzzy Approach to User Attention Recognition. ICANN (1) 2008: 927-936

George Caridakis, Kostas Karpouzis, Christos Pateritsas, Athanasios I. Drosopoulos, Andreas Stafylopatis, Stefanos D. Kollias: Hand trajectory based gesture recognition using self-organizing feature maps and markov models. ICME 2008: 1105-1108

Nikos Simou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias: Storing and Querying Fuzzy Knowledge in the Semantic Web. URSW 2008

Thanos Athanasiadis, Phivos Mylonas, Yannis S. Avrithis, Stefanos D. Kollias: Semantic Image Segmentation and Object Labeling. IEEE Trans. Circuits Syst. Video Techn. 17(3): 298-312 (2007)

Kostas Karpouzis, George Caridakis, Loïc Kessous, Noam Amir, Amaryllis Raouzaiou, Lori Malatesta, Stefanos D. Kollias: Modeling Naturalistic Affective States Via Facial, Vocal, and Bodily Expressions Recognition. Artifical Intelligence for Human Computing 2007: 91-112

Konstantinos Rapantzikos, Yannis S. Avrithis, Stefanos D. Kollias: Spatiotemporal saliency for event detection and representation in the 3D wavelet domain: potential in human action recognition. CIVR 2007: 294-301

Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias: f-DLPs: Extending Description Logic Programs with Fuzzy Sets and Fuzzy Logic. FUZZ-IEEE 2007: 1-6

George Caridakis, Christos Pateritsas, Athanasios I. Drosopoulos, Andreas Stafylopatis, Stefanos D. Kollias: Probabilistic Video-Based Gesture Recognition Using Self-organizing Feature Maps. ICANN (2) 2007: 261-270

Konstantinos Rapantzikos, Yannis S. Avrithis, Stefanos D. Kollias: salienShrink: Saliency-Based Wavelet Shrinkage. ICIP (1) 2007: 305-308

Konstantinos Raftopoulos, Stefanos D. Kollias: The Global-Local Transformation for Invariant Shape Representation. ISVC (2) 2007: 224-233

Konstantinos Raftopoulos, Nikolaos Papadakis, Klimis S. Ntalianis, Stefanos D. Kollias: Semantic clustering of information systems' users with stochastic techniques. ICSC 2007: 535-542

Phivos Mylonas, Paraskevi K. Tzouveli, Stefanos D. Kollias: An Integrated Approach Towards Intelligent Educational Content Adaptation. Emerging Artificial Intelligence Applications in Computer Engineering 2007: 154-172

Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias: Uncertainty and the Semantic Web. IEEE Intelligent Systems 21(5): 84-87 (2006)

Manolis Wallace, Yannis S. Avrithis, Stefanos D. Kollias: Computationally efficient sup-t transitive closure for sparse fuzzy binary relations. Fuzzy Sets and Systems 157(3): 341-372 (2006)

Manolis Wallace, Spiros Ioannou, Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias: Dealing with feature uncertainty in facial expression recognition. IJISTA 1(3/4): 409-429 (2006)

Alejandra García-Rojas, Frédéric Vexo, Daniel Thalmann, Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias, Laurent Moccozet, Nadia Magnenat-Thalmann: Emotional face expression profiles supported by virtual human ontology. Journal of Visualization and Computer Animation 17(3-4): 259-269 (2006)

Manolis Wallace, Thanos Athanasiadis, Yannis S. Avrithis, Anastasios Delopoulos, Stefanos D. Kollias: Integrating Multimedia Archives: The Architecture and the Content Layer. IEEE Transactions on Systems, Man, and Cybernetics, Part A 36(1): 34-52 (2006)

Spiros Ioannou, Loïc Kessous, George Caridakis, Kostas Karpouzis, Vered Aharonson, Stefanos D. Kollias: Adaptive On-Line Neural Network Retraining for Real Life Multimodal Emotion Recognition. ICANN (1) 2006: 81-92

Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefanos D. Kollias: Confronting the Synchronization Problem of Semantic Region Under Geometric Attacks. ICME 2006: 1345-1348

Lori Malatesta, Amaryllis Raouzaiou, Stefanos D. Kollias: MPEG-4 Facial Expression Synthesis based on Appraisal Theory. AIAI 2006: 378-384

Paraskevi K. Tzouveli, Yannis S. Avrithis, Stefanos D. Kollias: Fast Video Object Tracking using Affine Invariant Normalization. AIAI 2006: 549-556

Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefanos D. Kollias: Chaotic Encryption Driven Watermarking of Human Video Objects Based on Hu Moments. AIAI 2006: 673-680

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias: A Connectionist Model for Weighted Fuzzy Programs. IJCNN 2006: 3055-3062

Spiros Ioannou, Manolis Wallace, Stefanos D. Kollias: Intelligent Facial Analysis and Expression Recognition. IJCNN 2006: 4029-4036

Evaggelos Spyrou, George Koumoulos, Yannis S. Avrithis, Stefanos D. Kollias: Using Local Region Semantics for Concept Detection in Video. SAMT (Posters and Demos) 2006

Kostas Karpouzis, Stefanos D. Kollias: Facial Animation and Affective Human-Computer Interaction. Encyclopedia of Multimedia 2006

Giorgos B. Stamou, Stefanos D. Kollias: Multimedia Semantics. Encyclopedia of Multimedia 2006

Manolis Wallace, Yannis S. Avrithis, Stefanos D. Kollias: Multimedia Archives and Mediators. Encyclopedia of Multimedia 2006

Stefanos D. Kollias, Andreas Stafylopatis, Wlodzislaw Duch, Erkki Oja (Eds.): Artificial Neural Networks - ICANN 2006, 16th International Conference, Athens, Greece, September 10-14, 2006. Proceedings, Part I. Lecture Notes in Computer Science 4131, Springer 2006, isbn 3-540-38625-4

Stefanos D. Kollias, Andreas Stafylopatis, Wlodzislaw Duch, Erkki Oja (Eds.): Artificial Neural Networks - ICANN 2006, 16th International Conference, Athens, Greece, September 10-14, 2006. Proceedings, Part II. Lecture Notes in Computer Science 4132, Springer 2006, isbn 3-540-38871-0

Manolis Wallace, Nicolas Tsapatsoulis, Stefanos D. Kollias: Intelligent initialization of resource allocating RBF networks. Neural Networks 18(2): 117-122 (2005)

Spiros Ioannou, Amaryllis Raouzaiou, Vassilis Tzouvaras, Theofilos P. Mailis, Kostas Karpouzis, Stefanos D. Kollias: Emotion recognition through facial expression analysis based on a neurofuzzy network. Neural Networks 18(4): 423-435 (2005)

Spiros Ioannou, Manolis Wallace, Kostas Karpouzis, Amaryllis Raouzaiou, Stefanos D. Kollias: Combination of multiple extraction algorithms in the detection of facial features. ICIP (2) 2005: 378-381

Klimis S. Ntalianis, Stefanos D. Kollias: Chaotic video objects encryption based on mixed feedback, multiresolution decomposition and time-variant S-boxes. ICIP (2) 2005: 1110-1113

Stefanos D. Kollias, Kostas Karpouzis: Multimodal Emotion Recognition and Expressivity Analysis. ICME 2005: 779-783

Klimis S. Ntalianis, Stefanos D. Kollias: An Optimized Key-Frames Extraction Scheme Based on SVD and Correlation Minimization. ICME 2005: 792-795

Roddy Cowie, Ellen Douglas-Cowie, John G. Taylor, Spiros Ioannou, Manolis Wallace, Stefanos D. Kollias: An intelligent system for facial emotion recognition. ICME 2005: 904-907

Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias: A String Metric for Ontology Alignment. International Semantic Web Conference 2005: 624-637

Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefanos D. Kollias: Video Object Watermarking Based on Moments. VLBV 2005: 68-75

Amaryllis Raouzaiou, Evaggelos Spyrou, Kostas Karpouzis, Stefanos D. Kollias: An Intermediate Expressions' Generator System in the MPEG-4 Framework. VLBV 2005: 129-136

Kostas Karpouzis, Athanasios I. Drosopoulos, Spiros Ioannou, Amaryllis Raouzaiou, Nicolas Tsapatsoulis, Stefanos D. Kollias: Facial and Body Feature Extraction for Emotionally-Rich HCI. Encyclopedia of Information Science and Technology (II) 2005: 1180-1185

Kiyoharu Aizawa, Thomas S. Huang, Stefanos D. Kollias, Petros Maragos, Ralf Schäfer: Editorial. EURASIP J. Adv. Sig. Proc. 2004(6): 783-785 (2004)

Gabriel Tsechpenakis, Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Stefanos D. Kollias: Rule-Driven Object Tracking in Clutter and Partial Occlusion with Model-Based Snakes. EURASIP J. Adv. Sig. Proc. 2004(6): 841-860 (2004)

Gabriel Tsechpenakis, Nicolas Tsapatsoulis, Stefanos D. Kollias: Probabilistic Boundary-Based Contour Tracking With Snakes In Natural Cluttered Video Sequences. Int. J. Image Graphics 4(3): 469-498 (2004)

Kostas Karpouzis, George Moschovitis, Klimis S. Ntalianis, Spiros Ioannou, Stefanos D. Kollias: Web Access to Large Audiovisual Assets Based on User Preferences. Multimedia Tools Appl. 22(3): 215-234 (2004)

Gavrill Tsechpenakis, Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Stefanos D. Kollias: A snake model for object tracking in natural sequences. Sig. Proc.: Image Comm. 19(3): 219-238 (2004)

Giorgos Akrivas, Giorgos B. Stamou, Stefanos D. Kollias: Semantic association of multimedia document descriptions through fuzzy relational algebra and fuzzy reasoning. IEEE Transactions on Systems, Man, and Cybernetics, Part A 34(2): 190-196 (2004)

Paraskevi K. Tzouveli, Phivos Mylonas, Stefanos D. Kollias: SPERO - A Personalized Integrated E-Learning System. ICWI 2004: 34-42

Phivos Mylonas, Paraskevi K. Tzouveli, Stefanos D. Kollias: Towards a Personalized e-Learning Scheme for Teachers. ICALT 2004: 0-

Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias: Emotion Synthesis in Virtual Environments. ICEIS (5) 2004: 44-52

Manolis Wallace, Stefanos D. Kollias: Robust, Generalized, Quick and Efficient Agglomerative Clustering. ICEIS (2) 2004: 409-416

T. Balomenos, Amaryllis Raouzaiou, Spiros Ioannou, Athanasios I. Drosopoulos, Kostas Karpouzis, Stefanos D. Kollias: Emotion Analysis in Man-Machine Interaction Systems. MLMI 2004: 318-328

Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefanos D. Kollias: Security of human video objects by incorporating a chaos-based feedback cryptographic scheme. ACM Multimedia 2004: 352-355

Phivos Mylonas, Manolis Wallace, Stefanos D. Kollias: Using k-Nearest Neighbor and Feature Selection as an Improvement to Hierarchical Clustering. SETN 2004: 191-200

Spiros Ioannou, Amaryllis Raouzaiou, Kostas Karpouzis, Minas Pertselakis, Nicolas Tsapatsoulis, Stefanos D. Kollias: Adaptive Rule-Based Facial Expression Recognition. SETN 2004: 466-475

Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias: Semi-automatic Extraction of Semantics from Football Video Sequences. SETN 2004: 486-495

Petros Daras, Ioannis Kompatsiaris, Ilias Grinias, Giorgos Akrivas, Georgios Tziritas, Stefanos D. Kollias, Michael G. Strintzis: MPEG-4 Authoring Tool Using Moving Object Segmentation and Tracking in Video Shots. EURASIP J. Adv. Sig. Proc. 2003(9): 861-877 (2003)

Manolis Wallace, Kostas Karpouzis, Giorgos B. Stamou, George Moschovitis, Stefanos D. Kollias, Christos Schizas: The Electronic Road: Personalized Content Browsing. IEEE MultiMedia 10(4): 49-59 (2003)

Manolis Wallace, Ilias Maglogiannis, Kostas Karpouzis, George Kormentzas, Stefanos D. Kollias: Intelligent One-Stop-Shop Travel Recommendations Using an Adaptive Neural Network and Clustering of History. J. of IT & Tourism 6(3): 181-193 (2003)

George N. Votsis, Athanasios I. Drosopoulos, Stefanos D. Kollias: A modular approach to facial feature segmentation on real sequences. Sig. Proc.: Image Comm. 18(1): 67-89 (2003)

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: An adaptable neural-network model for recursive nonlinear traffic prediction and modeling of MPEG video sources. IEEE Transactions on Neural Networks 14(1): 150-166 (2003)

Anastasios D. Doulamis, Nikolaos D. Doulamis, Klimis S. Ntalianis, Stefanos D. Kollias: An efficient fully unsupervised video object segmentation scheme using an adaptive neural-network classifier architecture. IEEE Transactions on Neural Networks 14(3): 616-630 (2003)

Paraskevi K. Tzouveli, Georgios Andreou, Gabriel Tsechpenakis, Yannis S. Avrithis, Stefanos D. Kollias: Intelligent Visual Descriptor Extraction from Video Sequences. Adaptive Multimedia Retrieval 2003: 132-146

Manolis Wallace, Mary Stefanou, Kostas Karpouzis, Stefanos D. Kollias: Towards Supporting the Teaching of History Using an Intelligent Information System that Relies on the Electronic Road Metaphor. ICALT 2003: 47-51

Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias: Knowledge Refinement Using Fuzzy Compositional Neural Networks. ICANN 2003: 933-942

Amaryllis Raouzaiou, Spiros Ioannou, Kostas Karpouzis, Nicolas Tsapatsoulis, Stefanos D. Kollias, Roddy Cowie: An Intelligent Scheme for Facial Expression Recognition. ICANN 2003: 1109-1116

John G. Taylor, Nickolaos F. Fragopanagos, Roddy Cowie, Ellen Douglas-Cowie, Stavroula-Evita Fotinea, Stefanos D. Kollias: An Emotional Recognition Architecture Based on Human Brain Structure. ICANN 2003: 1133-1142

Vassilis Tzouvaras, Gabriel Tsechpenakis, Giorgos B. Stamou, Stefanos D. Kollias: Adaptive rule-based recognition of events in video sequences. ICIP (2) 2003: 607-610

Gabriel Tsechpenakis, Kostas Rapanntzikos, Nicolas Tsapatsoulis, Stefanos D. Kollias: Object tracking in clutter and partial occlusion through rule-driven utilization of Snakes. ICME 2003: 69-72

Kostas Karpouzis, Amaryllis Raouzaiou, Paraskevi K. Tzouveli, Spiros Ioannou, Stefanos D. Kollias: MPEG-4: one multimedia standard to unite all. ICME 2003: 81-84

Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias: Emotion representation for online gaming. ICME 2003: 417-420

Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefanos D. Kollias: Automatic Videoconference Objects Watermarking Using Object Adapted Qualified Significant Wavelet Trees. VLBV 2003: 156-163

Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos D. Kollias: Online Gaming and Emotion Representation. VLBV 2003: 298-305

Stefanos D. Kollias, Kostas Karpouzis: Emotionally-rich virtual worlds with emotion synthesis. Web3D 2003: 186-187

Amaryllis Raouzaiou, Nicolas Tsapatsoulis, Kostas Karpouzis, Stefanos D. Kollias: Parameterized Facial Expression Synthesis Based on MPEG-4. EURASIP J. Adv. Sig. Proc. 2002(10): 1021-1038 (2002)

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: Erratum to: "A fuzzy video content representation for video summarization and content-based retrieval" [Signal Processing 80(6) (2000) 1049-1067]. Signal Processing 82(4): 545 (2002)

Giorgos Akrivas, Manolis Wallace, Giorgos B. Stamou, Stefanos D. Kollias: Context - Sensitive Query Expansion Based on Fuzzy Clustering of Index Terms. FQAS 2002: 1-11

Klimis S. Ntalianis, Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias: Neural Networks Retraining for Unsupervised Video Object Segmentation of Videoconference Sequences. ICANN 2002: 1312-1318

Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias, Klimis S. Ntalianis: Video object articulation using depth-based content segmentation approaches. ICIP (2) 2002: 417-420

Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias, Klimis S. Ntalianis: An automatic scheme for stereoscopic video object-based watermarking using qualified significant wavelet trees. ICIP (3) 2002: 501-504

Klimis S. Ntalianis, Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: A robust steganographic wavelet-based system for resistant message hiding under error prone networks. ICME (2) 2002: 561-564

Yannis S. Avrithis, Giorgos B. Stamou, Anastasios Delopoulos, Stefanos D. Kollias: Intelligent Semantic Access to Audiovisual Content. SETN 2002: 215-224

Yannis S. Avrithis, Yiannis Xirouhakis, Stefanos D. Kollias: Affine-invariant curve normalization for object shape representation, classification, and retrieval. Mach. Vis. Appl. 13(2): 80-94 (2001)

Nicolas Tsapatsoulis, Yannis S. Avrithis, Stefanos D. Kollias: Facial Image Indexing in Multimedia Databases. Pattern Anal. Appl. 4(2-3): 93-107 (2001)

George N. Votsis, Nikolaos D. Doulamis, Anastasios D. Doulamis, Nicolas Tsapatsoulis, Stefanos D. Kollias: A Neural-Network-Based Approach to Adaptive Human Computer Interaction. ICANN 2001: 1054-1059

Anastasios D. Doulamis, Klimis S. Ntalianis, Nikolaos D. Doulamis, Stefanos D. Kollias: Adaptable Neural Networks for Unsupervised Video Object Segmentation of Stereoscopic Sequences. ICANN 2001: 1060-1068

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias, Klimis S. Ntalianis: Tube-embodied gradient vector flow fields for unsupervised video object plane (VOP) segmentation. ICIP (2) 2001: 637-640

Klimis S. Ntalianis, Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: Automatic Content-Based Organization Of Video Sequences For Multimedia Applications. ICME 2001

Klimis S. Ntalianis, Nikolaos D. Doulamis, Stefanos D. Kollias, Anastasios D. Doulamis: Multiresolution Gradient Vector Flow Field: A Fast Implementation Towards Video Object Plane Segmentation. ICME 2001

Klimis S. Ntalianis, Spiros Ioannou, Kostas Karpouzis, George Moschovitis, Stefanos D. Kollias: Visual Information Retrieval From Annotated Large Audiovisual Assets Based On User Profiling And Collaborative Recommendations. ICME 2001

Anastasios D. Doulamis, Nikolaos D. Doulamis, Klimis S. Ntalianis, Stefanos D. Kollias: Efficient Unsupervised Content-Based Segmentation in Stereoscopic Video Sequences. International Journal on Artificial Intelligence Tools 9(2): 277-303 (2000)

Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias: Improving the Performance of MPEG Compatible Encoding at Low Bit Rates Using Adaptive Neural Networks. Real-Time Imaging 6(5): 327-345 (2000)

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: A fuzzy video content representation for video summarization and content-based retrieval. Signal Processing 80(6): 1049-1067 (2000)

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: On-line retrainable neural networks: improving the performance of neural networks in image analysis problems. IEEE Trans. Neural Netw. Learning Syst. 11(1): 137-155 (2000)

Nicolas Tsapatsoulis, Yannis S. Avrithis, Stefanos D. Kollias: Efficient Face Detection for Multimedia Applications. ICIP 2000: 247-250

Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias: Non-linear Relevance Feedback: Improving the Performance of Content-Based Retrieval Systems. IEEE International Conference on Multimedia and Expo (I) 2000: 331-334

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: Non Linear Traffic Modeling of VBR MPEG-2 Video Sources. IEEE International Conference on Multimedia and Expo (III) 2000: 1318-1321

Yannis S. Avrithis, Nicolas Tsapatsoulis, Stefanos D. Kollias: Broadcast News Parsing using Visual Cues: A Robust Face Detection Approach. IEEE International Conference on Multimedia and Expo (III) 2000: 1469-1472

Klimis S. Ntalianis, Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias: A Feature Point Based Scheme for Unsupervised Video Object Segmentation in Stereoscopic Video Sequences. IEEE International Conference on Multimedia and Expo (III) 2000: 1543-1546

Yannis S. Avrithis, Yiannis Xirouhakis, Stefanos D. Kollias: Affine-Invariant Curve Normalization for Shape-Based Retrieval. ICPR 2000: 5015-5018

Winfried A. Fellenz, John G. Taylor, Roddy Cowie, Ellen Douglas-Cowie, Frédéric Piat, Stefanos D. Kollias, Christos Orovas, Bruno Apolloni: On Emotion Recognition of Faces and of Speech Using Neural Networks, Fuzzy Logic and the ASSESS System. IJCNN (2) 2000: 93-98

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: Recursive Non Linear Models for On Line Traffic Prediction of VBR MPEG Coded Video Sources. IJCNN (6) 2000: 114-119

Spiros Ioannou, George Moschovitis, Klimis S. Ntalianis, Kostas Karpouzis, Stefanos D. Kollias: Effective access to large audiovisual assets based on user preferences. ACM Multimedia Workshops 2000: 227-232

Yannis S. Avrithis, Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: A Stochastic Framework for Optimal Key Frame Extraction from MPEG Video Databases. Computer Vision and Image Understanding 75(1-2): 3-24 (1999)

Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias: A Neural Network Approach to Interactive Content-Based Retrieval of Video Databases. ICIP (2) 1999: 116-120

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: Statistical Multiplexing and Quality of Service Control of VBR Mpeg Video Sources. ICIP (1) 1999: 271-276

Ioannis Stephanakis, Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: Adaptive Wavelet-Packet Decomposition for Rate Control of Object Oriented Coding of Video Sequences. ICIP (2) 1999: 298-302

Anastasios D. Doulamis, Yannis S. Avrithis, Nikolaos D. Doulamis, Stefanos D. Kollias: Interactive Content-Based Retrieval in Video Databases Using Fuzzy Classification and Relevance Feedback. ICMCS, Vol. 2 1999: 954-958

Stefanos D. Kollias, Frédéric Piat: Principled Hybrid Systems: Theory and Applications (Physta). ICMCS, Vol. 2 1999: 1089-1091

Paul S. Georgilakis, Nikos D. Hatziargyriou, Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias: Prediction of iron losses of wound core distribution transformers based on artificial neural networks. Neurocomputing 23(1-3): 15-29 (1998)

Nikolaos D. Doulamis, Anastasios D. Doulamis, Dimitrios Kalogeras, Stefanos D. Kollias: Low bit-rate coding of image sequences using adaptive regions of interest. IEEE Trans. Circuits Syst. Video Techn. 8(8): 928-934 (1998)

Anastasios D. Doulamis, Nikolaos D. Doulamis, Stefanos D. Kollias: A Neural Network based Scheme for Unsupervised Video Object Segmentation. ICIP (2) 1998: 632-636

Nikolaos D. Doulamis, Anastasios D. Doulamis, Yannis S. Avrithis, Stefanos D. Kollias: Video Content Representation using Optimal Extraction of Frames and Scenes. ICIP (1) 1998: 875-879

Kostas Karpouzis, Stefanos D. Kollias: The rendering pipeline in the classroom: a diversified approach. ITiCSE 1998: 139-142

Stefanos D. Kollias, Nikolaos D. Doulamis, Anastasios D. Doulamis: Improving the performance of MPEG compatible encoders using on line retrainable neural network. ICIP (3) 1997: 424-427

Nicolas Tsapatsoulis, Frank Schnorrenberg, Constantinos S. Pattichis, Stefanos D. Kollias: An image analysis system for automated detection of breast cancer nuclei. ICIP (3) 1997: 512-515

Stefanos D. Kollias: A multiresolution neural network approach to invariant image recognition. Neurocomputing 12(1): 35-57 (1996)

Anastasios Delopoulos, Stefanos D. Kollias: Optimal filter banks for signal reconstruction from noisy subband components. IEEE Transactions on Signal Processing 44(2): 212-224 (1996)

Andreas Tirakis, Anastasios Delopoulos, Stefanos D. Kollias: Two-dimensional filter bank design for optimal reconstruction using limited subband information. IEEE Transactions on Image Processing 4(8): 1160-1165 (1995)

Stefanos D. Kollias, Dimitris Anastassiou: A Progressive Scheme for Digital Image Halftoning, Coding of Halftones, and Reconstruction. IEEE Journal on Selected Areas in Communications 10(5): 944-951 (1992)

Stefanos D. Kollias, Dimitris Anastassiou: A unified neutral network approach to digital image halftoning. IEEE Transactions on Signal Processing 39(4): 980-984 (1991)

Stefanos D. Kollias: A Study of Neural Network Applications to Signal Processing. EURASIP Workshop 1990: 233-242