| 2017 | CVPR | Parsimonious Coding and Verification of Offline Handwritten Signatures. | Elias N. Zois, Ilias Theodorakopoulos, Dimitrios Tsourounis, George Economou |
| 2017 | ICCV | Offline Handwritten Signature Modeling and Verification Based on Archetypal Analysis. | Elias N. Zois, Ilias Theodorakopoulos, George Economou |
| 2014 | ICPR | HEp-2 Cells Classification Using Morphological Features and a Bundle of Local Gradient Descriptors. | Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos |
| 2013 | BIBE | HEp-2 cells classification using locally aggregated features mapped in the dissimilarity space. | Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos |
| 2013 | BIBE | Local focus-tolerant image descriptors for classification of biological particles. | Nefeli Vassiliki Politi-Stergiou, Ilias Theodorakopoulos, George Economou |
| 2013 | ICPRAM | Shape Representation via the Generalized Geodesic Median Point. | Fotini Fotopoulou, Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou |
| 2013 | ICPRAM | Classification of Dissimilarity Data via Sparse Representation. | Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos |
| 2013 | ISVC | Collaborative Sparse Representation in Dissimilarity Space for Classification of Visual Information. | Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos |
| 2012 | BIBE | HEp-2 Cells classification via fusion of morphological and textural features. | Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos |
| 2011 | ICCV | Face recognition via local sparse coding. | Ilias Theodorakopoulos, Ioannis Rigas, George Economou, Spiros Fotopoulos |