Nicolas Tsapatsoulis

140 papers A 3B 7C 7Misc 8Journal 30Unranked 77

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Bias in the Machine: Cross-Model Evaluation of ChatGPT-4 and Qwen in Hotel Booking Review Annotation. SMAP Maria C. Voutsa, Nicolas Tsapatsoulis, Constantinos Djouvas, Christiana Andreou
2024	—	`conf`	Emerging Research Topics Identification Using Temporal Graph Neural Networks. AIAI (3) Antonis Charalampous, Constantinos Djouvas, Nicolas Tsapatsoulis, Emily Kouzaridi
2024	—	`conf`	LLMs are not for everything: A Dataset and Comparative Study on Argument Strength Classification. PCI Constantinos Djouvas, Antonis Charalampous, Christos Christodoulou, Nicolas Tsapatsoulis
2023	—	`conf`	A Dataset of Hotel Reviews for Aspect-Based Sentiment Analysis and Topic Modeling. SMAP Christiana Andreou, Nicolas Tsapatsoulis, Vasiliki Anastasopoulou
2023	—	`conf`	Assessing the Importance of Key Terms in UN SDGs Through Citizens Labs. DASC/PiCom/CBDCom/CyberSciTech Emily Kouzaridi, Harris Partaourides, Nicolas Tsapatsoulis, Constantinos Djouvas
2023	—	`ed.`	Computer Analysis of Images and Patterns - 20th International Conference, CAIP 2023, Limassol, Cyprus, September 25-28, 2023, Proceedings, Part I CAIP (1) Nicolas Tsapatsoulis, Andreas Lanitis, Marios Pattichis, Constantinos S. Pattichis, Christos Kyrkou, Efthyvoulos C. Kyriacou, Zenonas Theodosiou, Andreas Panayides
2023	—	`ed.`	Computer Analysis of Images and Patterns - 20th International Conference, CAIP 2023, Limassol, Cyprus, September 25-28, 2023, Proceedings, Part II CAIP (2) Nicolas Tsapatsoulis, Andreas Lanitis, Marios Pattichis, Constantinos S. Pattichis, Christos Kyrkou, Efthyvoulos Kyriacou, Zenonas Theodosiou, Andreas Panayides
2023	J	`jnl`	Evaluating the use of Instagram images color histograms and hashtags sets for automatic image annotation. Frontiers Big Data Stamatios Giannoulakis, Nicolas Tsapatsoulis, Constantinos Djouvas
2023	—	`conf`	Implementing the EUt+ European Student Card via Open Source Services. SMAP Constantinos Djouvas, Nicolas Tsapatsoulis, Aristodimos Lanitis
2023	—	`conf`	On the Identification of Influential Topics in the Social Sciences Using Citation Analysis. DASC/PiCom/CBDCom/CyberSciTech Harris Partaourides, Emily Kouzaridi, Nicolas Tsapatsoulis, Constantinos Djouvas
2023	—	`conf`	Preface. SMAP Nicolas Tsapatsoulis
2023	—	`conf`	Social vs News Media in Politics: Revisiting the Case of the 2015 Greek Bailout Referendum. SMAP Nelly Sergidou, Vasiliki Triga, Nicolas Tsapatsoulis
2023	—	`conf`	Thematic Modeling of UN Sustainable Development Goals: A Comparative Meta-based Approach. AIAI (2) Harris Partaourides, Emily Kouzaridi, Nicolas Tsapatsoulis, Constantinos Djouvas
2022	—	`conf`	Classification of Instagram photos: topic modelling vs transfer learning. SETN Nicolas Tsapatsoulis
2022	—	`conf`	Quo Vadis Computer Science? The topics of the influential papers during the period 2014-2021. DASC/PiCom/CBDCom/CyberSciTech Nicolas Tsapatsoulis, Harris Partaourides, Christos Christodoulou, Constantinos Djouvas
2021	—	`ed.`	Computer Analysis of Images and Patterns - 19th International Conference, CAIP 2021, Virtual Event, September 28-30, 2021, Proceedings, Part I CAIP (1) Nicolas Tsapatsoulis, Andreas Panayides, Theo Theocharides, Andreas Lanitis, Constantinos S. Pattichis, Mario Vento
2021	—	`ed.`	Computer Analysis of Images and Patterns - 19th International Conference, CAIP 2021, Virtual Event, September 28-30, 2021, Proceedings, Part II CAIP (2) Nicolas Tsapatsoulis, Andreas Panayides, Theo Theocharides, Andreas Lanitis, Constantinos S. Pattichis, Mario Vento
2021	—	`conf`	Face Verification in Practice: The Case of Greek Artist Leonidas Arniotis. CAIP (2) Nicolas Tsapatsoulis, Katerina Diakoumopoulou
2021	—	`conf`	Topic Identification of Instagram Hashtag Sets for Image Tagging: An Empirical Assessment. MTSR Stamatios Giannoulakis, Nicolas Tsapatsoulis
2021	Misc	`conf`	Topic Identification via Human Interpretation of Word Clouds: The Case of Instagram Hashtags. AIAI Stamatios Giannoulakis, Nicolas Tsapatsoulis
2020	J	`jnl`	Image annotation: the effects of content, lexicon and annotation method. Int. J. Multim. Inf. Retr. Zenonas Theodosiou, Nicolas Tsapatsoulis
2020	—	`conf`	Image retrieval via topic modelling of Instagram hashtags. SMAP Nicolas Tsapatsoulis
2019	—	`conf`	Cyberbullies in Twitter: A focused review. SMAP Nicolas Tsapatsoulis, Vasiliki Anastasopoulou
2019	J	`jnl`	Filtering Instagram Hashtags Through Crowdtagging and the HITS Algorithm. IEEE Trans. Comput. Soc. Syst. Stamatios Giannoulakis, Nicolas Tsapatsoulis
2019	—	`conf`	IoT-Enabled Ambulances Assisting Citizens' Well-Being after Earthquake Disasters in Smart Cities. iThings/GreenCom/CPSCom/SmartData Theodoros Anagnostopoulos, Klimis S. Ntalianis, Nicolas Tsapatsoulis
2019	—	`ed.`	Proceedings of the 23rd Pan-Hellenic Conference on Informatics, PCI 2019, Nicosia, Cyprus, November 28-30, 2019. PCI Yannis Manolopoulos, George Angelos Papadopoulos, Athena Stassopoulou, Ioanna Dionysiou, Ioannis Kyriakides, Nicolas Tsapatsoulis
2019	—	`conf`	The Central Community of Twitter ego-Networks as a Means for Fake Influencer Detection. DASC/PiCom/DataCom/CyberSciTech Nicolas Tsapatsoulis, Vasiliki Anastasopoulou, Klimis S. Ntalianis
2018	—	`conf`	Improving Social Vote Recommendation in VAAs: The Effects of Political Profile Augmentation and Classification Method. SMAP Constantinos Djouvas, Antri Antoniou, Nicolas Tsapatsoulis
2018	—	`conf`	Metadata for Intangible Cultural Heritage - The Case of Folk Dances. VISIGRAPP (5: VISAPP) Stamatios Giannoulakis, Nicolas Tsapatsoulis, Nikos Grammalidis
2018	J	`jnl`	Opinion Mining From Social Media Short Texts: Does Collective Intelligence Beat Deep Learning? Frontiers Robotics AI Nicolas Tsapatsoulis, Constantinos Djouvas
2018	J	`jnl`	Social Relevance Feedback Based on Multimedia Content Power. IEEE Trans. Comput. Soc. Syst. Klimis S. Ntalianis, Anastasios D. Doulamis, Nicolas Tsapatsoulis, Nikos E. Mastorakis
2018	—	`conf`	Topic modelling on Instagram hashtags: An alternative way to Automatic Image Annotation? SMAP Argyris Argyrou, Stamatios Giannoulakis, Nicolas Tsapatsoulis
2018	—	`conf`	Twitter Influencers or Cheated Buyers? DASC/PiCom/DataCom/CyberSciTech Savvas Zenonos, Andreas Tsirtsis, Nicolas Tsapatsoulis
2017	J	`jnl`	An integrated framework for evaluating the performance of age progression algorithms. Int. J. Biom. Andreas Lanitis, Nicolas Tsapatsoulis
2017	—	`conf`	Feature extraction for tweet classification: Do the humans perform better? SMAP Nicolas Tsapatsoulis, Constantinos Djouvas
2017	—	`conf`	Forecasting elections from VAA data: What the undecided would vote? SMAP Nicolas Tsapatsoulis, Marilena Agathokleous
2017	J	`jnl`	Guest Editorial. IET Biom. Andreas Lanitis, Nicolas Tsapatsoulis
2017	—	`conf`	Identifying Image Tags from Instagram Hashtags Using the HITS Algorithm. DASC/PiCom/DataCom/CyberSciTech Stamatios Giannoulakis, Nicolas Tsapatsoulis, Klimis S. Ntalianis
2017	—	`conf`	Multiresolution Organization of Social Media Users' Profiles: Fast Detection and Efficient Transmission of Characteristic Profiles. iThings/GreenCom/CPSCom/SmartData Klimis S. Ntalianis, Nicolas Tsapatsoulis
2016	J	`jnl`	Applying Hidden Markov Models to Voting Advice Applications. EPJ Data Sci. Marilena Agathokleous, Nicolas Tsapatsoulis
2016	—	`conf`	Cyber security risks for minors: A taxonomy and a software architecture. SMAP Andreas Tsirtsis, Nicolas Tsapatsoulis, Makis Stamatelatos, Kostantinos Papadamou, Michael Sirivianos
2016	—	`conf`	Defining and Identifying Stophashtags in Instagram. INNS Conference on Big Data Stamatios Giannoulakis, Nicolas Tsapatsoulis
2016	—	`conf`	Estimating Party-user Similarity in Voting Advice Applications using Hidden Markov Models. IntRS@RecSys Marilena Agathokleous, Nicolas Tsapatsoulis, Constantinos Djouvas
2016	J	`jnl`	Evaluating the descriptive power of Instagram hashtags. J. Innov. Digit. Ecosyst. Stamatios Giannoulakis, Nicolas Tsapatsoulis
2016	J	`jnl`	Mining online political opinion surveys for suspect entries: An interdisciplinary comparison. J. Innov. Digit. Ecosyst. Constantinos Djouvas, Fernando Mendez, Nicolas Tsapatsoulis
2016	—	`conf`	On the analysis of factors influencing the performance of facial age progression. IWBF Andreas Lanitis, Nicolas Tsapatsoulis
2016	J	`jnl`	Overview of research on facial ageing using the FG-NET ageing database. IET Biom. Gabriel Panis, Andreas Lanitis, Nicolas Tsapatsoulis, Timothy F. Cootes
2016	J	`jnl`	Remote Authentication via Biometrics: A Robust Video-Object Steganographic Mechanism Over Wireless Networks. IEEE Trans. Emerg. Top. Comput. Klimis S. Ntalianis, Nicolas Tsapatsoulis
2016	—	`conf`	Wall-Content Selection in Social Media: A Revelance Feedback Scheme Based on Explicit Crowdsourcing. iThings/GreenCom/CPSCom/SmartData Klimis S. Ntalianis, Nicolas Tsapatsoulis
2016	Misc	`conf`	Web Image Indexing Using WICE and a Learning-Free Language Model. AIAI Nicolas Tsapatsoulis
2015	B	`conf`	FG2015 age progression evaluation. FG Andreas Lanitis, Nicolas Tsapatsoulis, Kleanthis Soteriou, Daiki Kuwahara, Shigeo Morishima
2015	Misc	`conf`	Instagram Hashtags as Image Annotation Metadata. AIAI Stamatios Giannoulakis, Nicolas Tsapatsoulis
2015	J	`jnl`	On the Design of Social Voting Recommendation Applications. Int. J. Artif. Intell. Tools Nicolas Tsapatsoulis, Marilena Agathokleous, Constantinos Djouvas, Fernando Mendez
2015	B	`conf`	Unsupervised sports video particles annotation based on social latent semantic analysis. ICIP Klimis S. Ntalianis, Nicolas Tsapatsoulis
2014	—	`conf`	A View Behind the Scene: Data Structures and Software Architecture of a VAA. SMAP Constantinos Djouvas, Nicolas Tsapatsoulis
2014	—	`conf`	Assessing Facial Age Similarity: A Framework for Evaluating the Robustness of Different Feature Sets. BIOSIG Andreas Lanitis, Nicolas Tsapatsoulis
2014	J	`jnl`	Automatic annotation of image databases based on implicit crowdsourcing, visual concept modeling and evolution. Multim. Tools Appl. Klimis S. Ntalianis, Nicolas Tsapatsoulis, Anastasios D. Doulamis, Nikolaos F. Matsatsinis
2014	—	`conf`	Foreword to Special Session. SMAP Nicolas Tsapatsoulis
2014	C	`conf`	Learning User Models in Multi-criteria Recommender Systems. EANN Marilena Agathokleous, Nicolas Tsapatsoulis
2014	—	`conf`	Lessons learned from the application of biometric-tests on a real case involving identity verification of a missing child. IWBF Andreas Lanitis, Nicolas Tsapatsoulis
2014	—	`conf`	On the Application of Biometric Techniques for Locating Damaged Artworks. BIOMET Andreas Lanitis, Nicolas Tsapatsoulis, Anastasios Maronidis
2014	—	`conf`	Social Vote Recommendation: Building Party Models Using the Probability to Vote Feedback of VAA Users. SMAP Nicolas Tsapatsoulis, Fernando Mendez
2014	J	`jnl`	Social Voting Advice Applications - Definitions, Challenges, Datasets and Evaluation. IEEE Trans. Cybern. Ioannis Katakis, Nicolas Tsapatsoulis, Fernando Mendez, Vasiliki Triga, Constantinos Djouvas
2013	J	`jnl`	Attention-Based Health Monitoring. Int. J. Monit. Surveillance Technol. Res. Zenonas Theodosiou, Nicolas Tsapatsoulis
2013	—	`conf`	Background modeling methods for visual detection of maritime targets. ARTEMIS@ACM Multimedia Paris Kaimakis, Nicolas Tsapatsoulis
2013	—	`conf`	On the Quantification of Missing Value Impact on Voting Advice Applications. EANN (1) Marilena Agathokleous, Nicolas Tsapatsoulis, Ioannis Katakis
2013	—	`book`	Semantic Hyper/Multimedia Adaptation - Schemes and Applications Semantic Hyper/Multimedia Adaptation Ioannis Anagnostopoulos, Mária Bieliková, Phivos Mylonas, Nicolas Tsapatsoulis
2013	B	`conf`	Spatial histogram of keypoints (SHIK). ICIP Zenonas Theodosiou, Nicolas Tsapatsoulis
2013	B	`conf`	Video abstraction in social media: Augmenting facebook's EdgeRank algorithm in video content presentation. ICIP Klimis S. Ntalianis, Anastasios D. Doulamis, Nikolaos D. Doulamis, Nicolas Tsapatsoulis
2013	Misc	`conf`	Voting Advice Applications: Missing Value Estimation Using Matrix Factorization and Collaborative Filtering. AIAI Marilena Agathokleous, Nicolas Tsapatsoulis
2013	—	`conf`	Watermark Resynchronization: An Efficient Approach Based on Eulerian Tours around a Robust Skeleton. Communications and Multimedia Security Konstantinos Raftopoulos, Klimis S. Ntalianis, Paraskevi K. Tzouveli, Nicolas Tsapatsoulis, Aleatha Parker-Wood, Marin Ferecatu
2012	—	`conf`	Clustering Online Poll Data: Towards a Voting Assistance System. SMAP Ioannis Katakis, Nicolas Tsapatsoulis, Vasiliki Triga, Constantinos Tziouvas, Fernando Mendez
2012	—	`conf`	Extraction of Web Image Information: Semantic or Visual Cues? AIAI (1) Georgina Tryfou, Nicolas Tsapatsoulis
2012	J	`jnl`	Investigating the Scalability of Algorithms, the Role of Similarity Metric and the List of Suggested Items Construction Scheme in Recommender Systems. Int. J. Artif. Intell. Tools Nicolas Tsapatsoulis, Olga Georgiou
2012	—	`conf`	Modelling Crowdsourcing Originated Keywords within the Athletics Domain. AIAI (1) Zenonas Theodosiou, Nicolas Tsapatsoulis
2012	—	`conf`	Multiocular surveilance of wide dynamic environments based on optical vision, event modelling and end-to-end data encryption: A cloud-based monitoring approach of maritime activities. GLOBECOM Workshops Klimis S. Ntalianis, Emmanuel Sardis, Nicolas Tsapatsoulis, Anastasios D. Doulamis, Panagiotis Rizomiliotis
2012	—	`conf`	Semantic Gap between People: An Experimental Investigation Based on Image Annotation. SMAP Zenonas Theodosiou, Christina Kasapi, Nicolas Tsapatsoulis
2012	B	`conf`	Using Visual Cues for the Extraction of Web Image Semantic Information. TPDL Georgina Tryfou, Nicolas Tsapatsoulis
2012	—	`conf`	Web Image Context Extraction Based on Semantic Representation of Web Page Visual Segments. SMAP Georgina Tryfou, Zenonas Theodosiou, Nicolas Tsapatsoulis
2011	—	`conf`	Evaluating Annotators Consistency with the Aid of an Innovative Database Schema. SMAP Zenonas Theodosiou, Olga Georgiou, Nicolas Tsapatsoulis
2011	J	`jnl`	Video-Object Oriented Biometrics Hiding for User Authentication under Error-Prone Transmissions. EURASIP J. Inf. Secur. Klimis S. Ntalianis, Nicolas Tsapatsoulis, Athanasios Drigas
2010	—	`ed.`	5th International Workshop on Semantic Media Adaptation and Personalization, SMAP 2010, Limassol, Cyprus, December 9-10, 2010 SMAP Nicolas Tsapatsoulis, Zenonas Theodosiou, Olga Georgiou
2010	—	`conf`	A general framework for selecting biometric features for automatic user profiling. SMAP Andreas Lanitis, Nicolas Tsapatsoulis
2010	—	`conf`	Annotation of Cultural Heritage Documents Based on XML Dictionaries and Data Clustering. EuroMed Zenonas Theodosiou, Olga Georgiou, Nicolas Tsapatsoulis, Anastasis Kounoudes, Marios Milis
2010	J	`jnl`	Human action annotation, modeling and analysis based on implicit user interaction. Multim. Tools Appl. Klimis S. Ntalianis, Anastasios D. Doulamis, Nicolas Tsapatsoulis, Nikolaos D. Doulamis
2010	—	`conf`	Implicit visual concept modeling in image / video annotation. ARTEMIS@ACM Multimedia Klimis S. Ntalianis, Anastasios D. Doulamis, Nicolas Tsapatsoulis
2010	—	`conf`	Improving the Scalability of Recommender Systems by Clustering Using Genetic Algorithms. ICANN (1) Olga Georgiou, Nicolas Tsapatsoulis
2010	Misc	`conf`	On the Quantification of Aging Effects on Biometric Features. AIAI Andreas Lanitis, Nicolas Tsapatsoulis
2010	Misc	`conf`	The Importance of Similarity Metrics for Representative Users Identification in Recommender Systems. AIAI Olga Georgiou, Nicolas Tsapatsoulis
2009	—	`conf`	A Hierarchical Classification Scheme for Semantic Image Annotation. MMEDIA Nicolas Tsapatsoulis
2009	—	`conf`	Experimental Evaluation of the MPEG-7 Visual Descriptors for Object Classification. SMAP Zenonas Theodosiou, Nicolas Tsapatsoulis
2009	—	`conf`	MuLVAT: A Video Annotation Tool Based on XML-Dictionaries and Shot Clustering. ICANN (2) Zenonas Theodosiou, Anastasis Kounoudes, Nicolas Tsapatsoulis, Marios Milis
2009	—	`conf`	Object Classification Using the MPEG-7 Visual Descriptors: An Experimental Evaluation Using State of the Art Data Classifiers. ICANN (2) Nicolas Tsapatsoulis, Zenonas Theodosiou
2009	—	`conf`	Palm Geometry Biometrics: A Score-based Fusion Approach. AIAI (Workshops) Nicolas Tsapatsoulis, Constantinos S. Pattichis
2009	J	`jnl`	Spatiotemporal saliency for video classification. Signal Process. Image Commun. Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Yannis Avrithis, Stefanos D. Kollias
2009	—	`conf`	Unsupervised Clustering of Clickthrough Data for Automatic Annotation of Multimedia Content. ICANN (2) Klimis S. Ntalianis, Anastasios D. Doulamis, Nicolas Tsapatsoulis, Nikolaos D. Doulamis
2008	J	`jnl`	Active learning for microarray data. Int. J. Approx. Reason. Dimitrios Vogiatzis, Nicolas Tsapatsoulis
2008	—	`conf`	Human action analysis, annotation and modeling in video streams based on implicit user interaction. AREA Klimis S. Ntalianis, Anastasios D. Doulamis, Nicolas Tsapatsoulis, Nikolaos D. Doulamis
2008	—	`conf`	Modeling User Networks in Recommender Systems. SMAP Dimitrios Vogiatzis, Nicolas Tsapatsoulis
2008	—	`conf`	POLYBIO: Multimodal Biometric Data Acquisition Platform and Security System. BIOID Anastasis Kounoudes, Nicolas Tsapatsoulis, Zenonas Theodosiou, Marios Milis
2007	—	`conf`	An Attention-Based Architecture for Context Switch Detection. The Disappearing Computer Nicolas Tsapatsoulis, Stathis Kasderidis, John G. Taylor
2007	J	`jnl`	An Embedded Saliency Map Estimator Scheme: Application to Video Encoding. Int. J. Neural Syst. Nicolas Tsapatsoulis, Konstantinos Rapantzikos, Constantinos S. Pattichis
2007	—	`conf`	Biologically Inspired Region of Interest Selection for Lowbit-Rate Video Coding. ICIP (3) Nicolas Tsapatsoulis, Constantinos S. Pattichis, Konstantinos Rapantzikos
2007	—	`conf`	Classifying Images from Athletics Based on Spatial Relations. SMAP Nicolas Tsapatsoulis, Sergios Petridis
2007	—	`conf`	Clustering Microarray Data with Space Filling Curves. WILF Dimitrios Vogiatzis, Nicolas Tsapatsoulis
2007	Misc	`conf`	On the use of spatial relations between objects for image classification. AIAI Nicolas Tsapatsoulis, Sergios Petridis, Stavros J. Perantonis
2006	J	`jnl`	A committee machine scheme for feature map fusion under uncertainty: the face detection case. Int. J. Intell. Syst. Technol. Appl. Konstantinos Rapantzikos, Nicolas Tsapatsoulis
2006	—	`conf`	Missing Value Estimation for DNA Microarrays with Mutliresolution Schemes. ICANN (2) Dimitrios Vogiatzis, Nicolas Tsapatsoulis
2006	—	`conf`	Priority coding for video-telephony applications based on visual attention. MobiMedia Nicolas Tsapatsoulis, Konstantinos Rapantzikos, Yannis Avrithis
2006	—	`conf`	Wavelet Based Estimation of Saliency Maps in Visual Attention Algorithms. ICANN (2) Nicolas Tsapatsoulis, Konstantinos Rapantzikos
2005	—	`conf`	Active Learning with Wavelets for Microarray Data. WILF Dimitrios Vogiatzis, Nicolas Tsapatsoulis
2005	—	`conf`	Combining GAs and RBF Neural Networks for Fuzzy Rule Extraction from Numerical Data. ICANN (2) Manolis Wallace, Nicolas Tsapatsoulis
2005	—	`conf`	Enhancing the robustness of skin-based face detection schemes through a visual attention architecture. ICIP (2) Konstantinos Rapantzikos, Nicolas Tsapatsoulis
2005	—	`ch.`	Facial and Body Feature Extraction for Emotionally-Rich HCI. Encyclopedia of Information Science and Technology (II) Kostas Karpouzis, Athanasios I. Drosopoulos, Spiros Ioannou, Amaryllis Raouzaiou, Nicolas Tsapatsoulis, Stefanos D. Kollias
2005	J	`jnl`	Intelligent initialization of resource allocating RBF networks. Neural Networks Manolis Wallace, Nicolas Tsapatsoulis, Stefanos D. Kollias
2004	J	`jnl`	A snake model for object tracking in natural sequences. Signal Process. Image Commun. Gavrill Tsechpenakis, Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Stefanos D. Kollias
2004	—	`conf`	Adaptive Rule-Based Facial Expression Recognition. SETN Spiros Ioannou, Amaryllis Raouzaiou, Kostas Karpouzis, Minas Pertselakis, Nicolas Tsapatsoulis, Stefanos D. Kollias
2004	B	`conf`	Facial expression classification based on MPEG-4 FAPs: the use of evidence and prior knowledge for uncertainty removal. FUZZ-IEEE Manolis Wallace, Amaryllis Raouzaiou, Nicolas Tsapatsoulis, Stefanos D. Kollias
2004	J	`jnl`	Probabilistic Boundary-Based Contour Tracking With Snakes In Natural Cluttered Video Sequences. Int. J. Image Graph. Gabriel Tsechpenakis, Nicolas Tsapatsoulis, Stefanos D. Kollias
2004	J	`jnl`	Rule-Driven Object Tracking in Clutter and Partial Occlusion with Model-Based Snakes. EURASIP J. Adv. Signal Process. Gabriel Tsechpenakis, Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Stefanos D. Kollias
2004	C	`conf`	Spatiotemporal visual attention architecture for video analysis. MMSP Konstantinos Rapantzikos, Nicolas Tsapatsoulis, Yannis Avrithis
2003	C	`conf`	An Intelligent Scheme for Facial Expression Recognition. ICANN Amaryllis Raouzaiou, Spiros Ioannou, Kostas Karpouzis, Nicolas Tsapatsoulis, Stefanos D. Kollias, Roddy Cowie
2003	C	`conf`	Drawing Attention to the Dangerous. ICANN Stathis Kasderidis, John G. Taylor, Nicolas Tsapatsoulis, Dario Malchiodi
2003	C	`conf`	Improving the Performance of Resource Allocation Networks through Hierarchical Clustering of High-Dimensional Data. ICANN Nicolas Tsapatsoulis, Manolis Wallace, Stathis Kasderidis
2003	A	`conf`	Object tracking in clutter and partial occlusion through rule-driven utilization of Snakes. ICME Gabriel Tsechpenakis, Kostas Rapantzikos, Nicolas Tsapatsoulis, Stefanos D. Kollias
2002	J	`jnl`	Parameterized Facial Expression Synthesis Based on MPEG-4. EURASIP J. Adv. Signal Process. Amaryllis Raouzaiou, Nicolas Tsapatsoulis, Kostas Karpouzis, Stefanos D. Kollias
2001	C	`conf`	A Neural-Network-Based Approach to Adaptive Human Computer Interaction. ICANN George N. Votsis, Nikolaos D. Doulamis, Anastasios D. Doulamis, Nicolas Tsapatsoulis, Stefanos D. Kollias
2001	J	`jnl`	Emotion recognition in human-computer interaction. IEEE Signal Process. Mag. Roddy Cowie, Ellen Douglas-Cowie, Nicolas Tsapatsoulis, George N. Votsis, Stefanos D. Kollias, Winfried A. Fellenz, John G. Taylor
2001	J	`jnl`	Facial Image Indexing in Multimedia Databases. Pattern Anal. Appl. Nicolas Tsapatsoulis, Yannis Avrithis, Stefanos D. Kollias
2000	—	`conf`	A fuzzy system for emotion classification based on the MPEG-4 facial definition parameter set. EUSIPCO Nicolas Tsapatsoulis, Kostas Karpouzis, George Stamou, Frédéric Piat, Stefanos D. Kollias
2000	A	`conf`	Broadcast News Parsing using Visual Cues: A Robust Face Detection Approach. IEEE International Conference on Multimedia and Expo (III) Yannis Avrithis, Nicolas Tsapatsoulis, Stefanos D. Kollias
2000	—	`conf`	Color-based retrieval of facial images. EUSIPCO Yannis Avrithis, Nicolas Tsapatsoulis, Stefanos D. Kollias
2000	B	`conf`	Efficient Face Detection for Multimedia Applications. ICIP Nicolas Tsapatsoulis, Yannis Avrithis, Stefanos D. Kollias
2000	A	`conf`	Exploring the Time Course of Facial Expressions with a Fuzzy System. IEEE International Conference on Multimedia and Expo (II) Frédéric Piat, Nicolas Tsapatsoulis
2000	—	`conf`	Moving to continuous facial expression space using the MPEG-4 facial definition parameter (FDP) set. Human Vision and Electronic Imaging Kostas Karpouzis, Nicolas Tsapatsoulis, Stefanos D. Kollias
1998	—	`conf`	A Simplified Representation of 3D Human Faces adapted from 2D Images. NMBIA George N. Votsis, Nicolas Tsapatsoulis, Kostas Karpouzis, Stefanos D. Kollias
1998	—	`conf`	A vector based approximation of KLT and its application to face recognition. EUSIPCO Nicolas Tsapatsoulis, Vassilios Alexopoulos, Stefanos D. Kollias
1998	Misc	`conf`	Face extraction from non-uniform background and recognition in compressed domain. ICASSP Nicolas Tsapatsoulis, Nikolaos D. Doulamis, Anastasios D. Doulamis, Stefanos D. Kollias
1998	C	`conf`	Facial expression recognition using HMM with observation dependent transition matrix. MMSP Nicolas Tsapatsoulis, Miltiades Leonidou, Stefanos D. Kollias
1997	—	`conf`	An image analysis system for automated detection of breast cancer nuclei. ICIP (3) Nicolas Tsapatsoulis, Frank Schnorrenberg, Constantinos S. Pattichis, Stefanos D. Kollias