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| Issue Date | Title | Author(s) |
| 2000 | Exploring the time course of facial expressions with a fuzzy system | Tsapatsoulis, Nicolas ; Piat, Frederic |
| 2012 | Extraction of web image information: semantic or visual cues? | Tsapatsoulis, Nicolas ; Tryfou, Georgina |
| 2000 | Face detection in color images and video sequences | Tsapatsoulis, Nicolas ; Kollias, Stefanos D. |
| 1998 | Face extraction from non-uniform background and recognition in compressed domain | Tsapatsoulis, Nicolas ; Doulamis, Nikolaos D. ; Doulamis, Anastasios D. ; Kollias, Stefanos D. |
| 1999 | Face recognition based on multiple representations: splitting the error space | Leonidou, Miltiades ; Tsapatsoulis, Nicolas ; Kollias, Stefanos D. |
| Sep-2021 | Face Verification in Practice: The Case of Greek Artist Leonidas Arniotis | Tsapatsoulis, Nicolas ; Diakoumopoulou, Katerina |
| 2005 | Facial expression and gesture analysis for emotionally-rich man-machine interaction | Karpouzis, Kostas ; Raouzaiou, Amaryllis ; Drosopoulos, Athanasios ; Ioannou, Spiros ; Balomenos, Themis ; Tsapatsoulis, Nicolas ; Kollias, Stefanos D. |
| 2004 | Facial expression classification based on MPEG-4 FAPs: the use of evidence and prior knowledge for uncertainty removal | Wallace, Manolis ; Raouzaiou, Amaryllis ; Tsapatsoulis, Nicolas ; Kollias, Stefanos D. |
| 1998 | Facial Expression Recognition Using HMM with Observation Dependent Transition Matrix | Tsapatsoulis, Nicolas ; Leonidou, Miltiades ; Kollias, Stefanos D. |
| Jun-2001 | Facial Image Indexing in Multimedia Databases | Tsapatsoulis, Nicolas ; Avrithis, Yannis ; Kollias, Stefanos D. |
| Jul-2017 | Feature extraction for tweet classification: do the humans perform better? | Tsapatsoulis, Nicolas ; Djouvas, Constantinos |
| 2015 | FG2015 age progression evaluation | Tsapatsoulis, Nicolas ; Soteriou, Kleanthis ; Kuwahara, Daiki ; Morishima, Shigeo ; Lanitis, Andreas |
| Jun-2019 | Filtering Instagram Hashtags through crowdtagging and the HITS algorithm | Giannoulakis, Stamatios ; Tsapatsoulis, Nicolas |
| Jul-2017 | Forecasting elections from VAA data: what the undecided would vote? | Tsapatsoulis, Nicolas ; Agathokleous, Marilena |
| 1-Jan-2014 | Foreword to special session | Tsapatsoulis, Nicolas |
| 2000 | A fuzzy system for emotion classification based on the MPEG-4 facial definition parameter set | Tsapatsoulis, Nicolas ; Karpouzis, Kostas ; Stamou, Giorgos ; Frederic, Piat ; Kollias, Stefanos D. |
| 26-Oct-2018 | General chair's message | Ntalianis, Klimis S. ; Tsapatsoulis, Nicolas ; Apduhan, Bernady O. |
| 2010 | A general framework for selecting biometric features for automatic user profiling | Tsapatsoulis, Nicolas ; Lanitis, Andreas |
| 2010 | Generating lifetime biometric templates: an overview of challenges, requirements and approaches | Tsapatsoulis, Nicolas ; Lanitis, Andreas |
| 1-Jul-2017 | Guest editorial | Lanitis, Andreas ; Tsapatsoulis, Nicolas |
