| 2020 | ICPR | A Convolutional Recurrent Neural Network for the Handwritten Text Recognition of Historical Greek Manuscripts. | Kleopatra Markou, Lazaros T. Tsochatzidis, Konstantinos Zagoris, Alexandros Papazoglou, Xenofon Karagiannis, Symeon Symeonidis, Ioannis Pratikakis |
| 2019 | ICDAR | ICDAR 2019 Competition on Document Image Binarization (DIBCO 2019). | Ioannis Pratikakis, Konstantinos Zagoris, Xenofon Karagiannis, Lazaros T. Tsochatzidis, Tanmoy Mondal, Isabelle Marthot-Santaniello |
| 2018 | ICFHR | ICFHR 2018 Competition on Handwritten Document Image Binarization (H-DIBCO 2018). | Ioannis Pratikakis, Konstantinos Zagoris, Panagiotis Kaddas, Basilis Gatos |
| 2017 | ICDAR | ICDAR2017 Competition on Document Image Binarization (DIBCO 2017). | Ioannis Pratikakis, Konstantinos Zagoris, George Barlas, Basilis Gatos |
| 2017 | ICDAR | Bio-Inspired Modeling for the Enhancement of Historical Handwritten Documents. | Konstantinos Zagoris, Ioannis Pratikakis |
| 2016 | ICFHR | ICFHR2016 Handwritten Document Image Binarization Contest (H-DIBCO 2016). | Ioannis Pratikakis, Konstantinos Zagoris, George Barlas, Basilis Gatos |
| 2016 | ICFHR | ICFHR2016 Handwritten Keyword Spotting Competition (H-KWS 2016). | Ioannis Pratikakis, Konstantinos Zagoris, Basilis Gatos, Joan Puigcerver, Alejandro H. Toselli, Enrique Vidal |
| 2015 | ICDAR | A Framework for Efficient Transcription of Historical Documents Using Keyword Spotting. | Konstantinos Zagoris, Ioannis Pratikakis, Basilis Gatos |
| 2014 | ECAI | SVM-based CBIR of breast masses on mammograms. | Lazaros T. Tsochatzidis, Konstantinos Zagoris, Michalis A. Savelonas, Ioannis Pratikakis |
| 2014 | ICFHR | ICFHR2014 Competition on Handwritten Document Image Binarization (H-DIBCO 2014). | Konstantinos Ntirogiannis, Basilis Gatos, Ioannis Pratikakis |
| 2014 | ICFHR | ICFHR 2014 Competition on Handwritten Keyword Spotting (H-KWS 2014). | Ioannis Pratikakis, Konstantinos Zagoris, Basilis Gatos, Georgios Louloudis, Nikolaos Stamatopoulos |
| 2014 | ICFHR | Segmentation-Based Historical Handwritten Word Spotting Using Document-Specific Local Features. | Konstantinos Zagoris, Ioannis Pratikakis, Basilis Gatos |
| 2013 | ICDAR | ICDAR 2013 Document Image Binarization Contest (DIBCO 2013). | Ioannis Pratikakis, Basilis Gatos, Konstantinos Ntirogiannis |
| 2013 | ICDAR | Text Detection in Natural Images Using Bio-inspired Models. | Konstantinos Zagoris, Ioannis Pratikakis |
| 2013 | ICIAP | 3D Object Partial Matching Using Panoramic Views. | Konstantinos Sfikas, Ioannis Pratikakis, Anestis Koutsoudis, Michalis A. Savelonas, Theoharis Theoharis |
| 2012 | ICFHR | ICFHR 2012 Competition on Handwritten Document Image Binarization (H-DIBCO 2012). | Ioannis Pratikakis, Basilios Gatos, Konstantinos Ntirogiannis |
| 2012 | ICFHR | Handwritten and Machine Printed Text Separation in Document Images Using the Bag of Visual Words Paradigm. | Konstantinos Zagoris, Ioannis Pratikakis, Apostolos Antonacopoulos, Basilios Gatos, Nikos Papamarkos |
| 2011 | ICDAR | Binarization of Textual Content in Video Frames. | Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis |
| 2011 | ICDAR | ICDAR 2011 Document Image Binarization Contest (DIBCO 2011). | Ioannis Pratikakis, Basilios Gatos, Konstantinos Ntirogiannis |
| 2010 | ICFHR | H-DIBCO 2010 - Handwritten Document Image Binarization Competition. | Ioannis Pratikakis, Basilios Gatos, Konstantinos Ntirogiannis |
| 2009 | ICDAR | ICDAR 2009 Document Image Binarization Contest (DIBCO 2009). | Basilios Gatos, Konstantinos Ntirogiannis, Ioannis Pratikakis |
| 2009 | ICDAR | Segmentation-free Word Spotting in Historical Printed Documents. | Basilios Gatos, Ioannis Pratikakis |
| 2009 | ICDAR | A Modified Adaptive Logical Level Binarization Technique for Historical Document Images. | Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis |
| 2009 | ICDAR | A Methodology for Document Image Dewarping Techniques Performance Evaluation. | Nikolaos Stamatopoulos, Basilios Gatos, Ioannis Pratikakis |
| 2008 | DAS | A Hybrid System for Text Detection in Video Frames. | Marios Anthimopoulos, Basilios Gatos, Ioannis Pratikakis |
| 2008 | DAS | Efficient Binarization of Historical and Degraded Document Images. | Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis |
| 2008 | DAS | An Objective Evaluation Methodology for Document Image Binarization Techniques. | Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis |
| 2008 | DAS | A Two-Step Dewarping of Camera Document Images. | Nikolaos Stamatopoulos, Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis |
| 2008 | ICPR | Improved document image binarization by using a combination of multiple binarization techniques and adapted edge information. | Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis |
| 2007 | ICDAR | Segmentation Based Recovery of Arbitrarily Warped Document Images. | Basilios Gatos, Ioannis Pratikakis, Konstantinos Ntirogiannis |
| 2007 | WEBIST | e-Medi: A Web-based e-Training Platform for Breast Imaging. | Ioannis Pratikakis, Vassilis Virvilis, Dimitrios I. Kosmopoulos, Stavros J. Perantonis, A. Damianakis, D. Tsatsos |
| 2006 | ICIP | Multiscale Graph Theory Based Color Segmentation. | Iris Vanhamel, Ioannis Pratikakis, Hichem Sahli |
| 2006 | ICPR | Hybrid Off-Line Cursive Handwriting Word Recognition. | Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis |
| 2006 | ICPR | Nonlinear Multiscale Graph Theory based Segmentation of Color Images. | Iris Vanhamel, Hichem Sahli, Ioannis Pratikakis |
| 2005 | ICDAR | A Segmentation-free Approach for Keyword Search in Historical Typewritten Documents. | Basilios Gatos, Thomas Konidaris, Kostas Ntzios, Ioannis Pratikakis, Stavros J. Perantonis |
| 2005 | ICDAR | An Old Greek Handwritten OCR System. | Kostas Ntzios, Basilios Gatos, Ioannis Pratikakis, Thomas Konidaris, Stavros J. Perantonis |
| 2005 | ISMM | Watershed-Driven Region-Based Image Retrieval. | Ioannis Pratikakis, Iris Vanhamel, Hichem Sahli, Basilios Gatos, Stavros J. Perantonis |
| 2004 | DAS | A Segmentation-Free Recognition Technique to Assist Old Greek Handwritten Manuscript OCR. | Basilios Gatos, Kostas Ntzios, Ioannis Pratikakis, Sergios Petridis, Thomas Konidaris, Stavros J. Perantonis |
| 2004 | DAS | An Adaptive Binarization Technique for Low Quality Historical Documents. | Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis |
| 2000 | ISMM | Automatic Watershed Segmentation of Color Images. | Iris Vanhamel, Hichem Sahli, Ioannis Pratikakis |
| 1996 | ISMM | Watershed Analysis and Relaxation Labelling: A cooperative approach for the interpretation of Cranial-MR images using a Statistical Digital Atlas. | Ioannis Pratikakis, Hichem Sahli, Jan Cornelis |