George Economou

ORCID

Publication Activity (10 Years)

Years Active: 1994-2023
Publications (10 Years): 29

Top Venues

Publications

Dimitrios Tsourounis, Ilias Theodorakopoulos, Elias N. Zois, George Economou
Leveraging Expert Models for Training Deep Neural Networks in Scarce Data Domains: Application to Offline Handwritten Signature Verification. CoRR (2023)
Dimitrios Tsourounis, Ilias Theodorakopoulos, Elias N. Zois, George Economou
From text to signatures: Knowledge transfer for efficient deep feature learning in offline signature verification. Expert Syst. Appl. 189 (2022)
Sofoklis Katakis, Nikolaos Barotsis, Alexandros Kakotaritis, George Economou, Elias Panagiotopoulos, George Panayiotakis
Automatic Extraction of Muscle Parameters with Attention UNet in Ultrasonography. Sensors 22 (14) (2022)
Dimitrios Tsourounis, Dimitris Kastaniotis, Christos Theoharatos, Andreas Kazantzidis, George Economou
SIFT-CNN: When Convolutional Neural Networks Meet Dense SIFT Descriptors for Image and Sequence Classification. J. Imaging 8 (10) (2022)
Ilias Theodorakopoulos, Foteini Fotopoulou, George Economou
Geometric Regularization of Local Activations for Knowledge Transfer in Convolutional Neural Networks. Inf. 12 (8) (2021)
Ilias Theodorakopoulos, George Economou
Semantic Information in Gating Patterns of Dynamic Convolutional Neural Networks. IISA (2021)
Foteini Fotopoulou, George Economou
3D shape clustering with Nonnegative Least Squares coding and fusion on multilayer graphs. Multim. Tools Appl. 79 (43-44) (2020)
Elias N. Zois, Evangelos Zervas, Dimitrios Tsourounis, George Economou
Sequential Motif Profiles and Topological Plots for Offline Signature Verification. CVPR (2020)
Ilias Theodorakopoulos, Foteini Fotopoulou, George Economou
Local Manifold Regularization for Knowledge Transfer in Convolutional Neural Networks. IISA (2020)
Elias N. Zois, Dimitrios Tsourounis, Ilias Theodorakopoulos, Anastasios L. Kesidis, George Economou
A Comprehensive Study of Sparse Representation Techniques for Offline Signature Verification. IEEE Trans. Biom. Behav. Identity Sci. 1 (1) (2019)
George Andrianakos, Dimitrios Tsourounis, Spiros Oikonomou, Dimitris Kastaniotis, George Economou, Andreas Kazantzidis
Sky Image forecasting with Generative Adversarial Networks for cloud coverage prediction. IISA (2019)
Fotini Fotopoulou, Spiros Oikonomou, George Economou
3D shape classification with NNLS coding and optimal projections technique. Multim. Tools Appl. 78 (24) (2019)
Elias N. Zois, Alex Alexandridis, George Economou
Writer independent offline signature verification based on asymmetric pixel relations and unrelated training-testing datasets. Expert Syst. Appl. 125 (2019)
Fotini Fotopoulou, George Economou
On the definition of shape parts: a dominant sets approach. Pattern Anal. Appl. 21 (3) (2018)
Elias N. Zois, Marianna Papagiannopoulou, Dimitrios Tsourounis, George Economou
Hierarchical Dictionary Learning and Sparse Coding for Static Signature Verification. CVPR Workshops (2018)
Elias N. Zois, Dimitrios Tsourounis, Ilias Theodorakopoulos, Anastasios L. Kesidis, George Economou
A comprehensive study of sparse representation techniques for offline signature verification. CoRR (2018)
Dimitris Kastaniotis, Ioanna Ntinou, Dimitrios Tsourounis, George Economou, Spiros Fotopoulos
Attention-Aware Generative Adversarial Networks (ATA-GANs). IVMSP (2018)
Dimitris Kastaniotis, Ioanna Ntinou, Dimitrios Tsourounis, George Economou, Spiros Fotopoulos
Attention-Aware Generative Adversarial Networks (ATA-GANs). CoRR (2018)
Fotini Fotopoulou, Spiros Oikonomou, A. Papathanasiou, George Economou, Spiros Fotopoulos
3D Shape Classification Using Collaborative Representation based Projections. CoRR (2017)
Elias N. Zois, Ilias Theodorakopoulos, Dimitrios Tsourounis, George Economou
Parsimonious Coding and Verification of Offline Handwritten Signatures. CVPR Workshops (2017)
Hans Loka, Elias N. Zois, George Economou
Long range correlation of preceded pixels relations and application to off-line signature verification. IET Biom. 6 (2) (2017)
Fotini Fotopoulou, George Economou
On the definition of Shape Parts: a Dominant Sets Approach. CoRR (2017)
Dimitris Kastaniotis, Fotini Fotopoulou, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
HEp-2 cell classification with Vector of Hierarchically Aggregated Residuals. Pattern Recognit. 65 (2017)
Elias N. Zois, Ilias Theodorakopoulos, George Economou
Offline Handwritten Signature Modeling and Verification Based on Archetypal Analysis. ICCV (2017)
Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
Gait based recognition via fusing information from Euclidean and Riemannian manifolds. Pattern Recognit. Lett. 84 (2016)
Elias N. Zois, Linda Alewijnse, George Economou
Offline signature verification and quality characterization using poset-oriented grid features. Pattern Recognit. 54 (2016)
Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos, Christos Theoharatos
Local manifold distance based on neighborhood graph reordering. Pattern Recognit. 53 (2016)
Dimitris Kastaniotis, Ilias Theodorakopoulos, Christos Theoharatos, George Economou, Spiros Fotopoulos
A framework for gait-based recognition using Kinect. Pattern Recognit. Lett. 68 (2015)
Ioannis Rigas, George Economou, Spiros Fotopoulos
Efficient modeling of visual saliency based on local sparse representation and the use of hamming distance. Comput. Vis. Image Underst. 134 (2015)
Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos
HEp-2 cells classification via sparse representation of textural features fused into dissimilarity space. Pattern Recognit. 47 (7) (2014)
Fotini Fotopoulou, George Economou
Graph Based Re-ranking Method with Application to Handwritten Digits. ICFHR (2014)
Dimitris Kastaniotis, George Economou, Spiros Fotopoulos, Gerasimos Kartsakalis, Panagiotis Papathanasopoulos
Using kinect for assesing the state of Multiple Sclerosis patients. MobiHealth (2014)
Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos
HEp-2 Cells Classification Using Morphological Features and a Bundle of Local Gradient Descriptors. I3A@ICPR (2014)
Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos
HEp-2 Cell Classification Using Descriptors Fused into the Dissimilarity Space into the Dissimilarity Space. Int. J. Artif. Intell. Tools 23 (3) (2014)
Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos
Pose-based human action recognition via sparse representation in dissimilarity space. J. Vis. Commun. Image Represent. 25 (1) (2014)
Elias N. Zois, Evangelos Zervas, Konstantina Barkoula, George Economou, Spiros Fotopoulos
Poset Description of Grid Features and Application to Off-Line Signature Verification. ICFHR (2014)
Konstantina Barkoula, Elias N. Zois, Evangelos Zervas, George Economou
Off-Line Signature Verification based on Ordered Grid Features: An Evaluation. AFHA (2013)
Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
Unsupervised music segmentation via multi-scale processing of compressive features' representation. DSP (2013)
Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
Collaborative Sparse Representation in Dissimilarity Space for Classification of Visual Information. ISVC (1) (2013)
Fotini Fotopoulou, Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou
Shape Representation via the Generalized Geodesic Median Point. ICPRAM (2013)
Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
HEp-2 cells classification using locally aggregated features mapped in the dissimilarity space. BIBE (2013)
Ioannis Rigas, George Economou, Spiros Fotopoulos
Low-Level Visual Saliency With Application on Aerial Imagery. IEEE Geosci. Remote. Sens. Lett. 10 (6) (2013)
Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos, Apostolos Ifantis
On-line signature recognition via fusion of dynamic features into dissimilarity space. ISSPIT (2013)
Fotini Fotopoulou, Nikolaos A. Laskaris, George Economou, Spiros Fotopoulos
Advanced leaf image retrieval via Multidimensional Embedding Sequence Similarity (MESS) method. Pattern Anal. Appl. 16 (3) (2013)
Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
Classification of Dissimilarity Data via Sparse Representation. ICPRAM (2013)
Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
Gait-based gender recognition using pose information for real time applications. DSP (2013)
Nefeli Vassiliki Politi-Stergiou, Ilias Theodorakopoulos, George Economou
Local focus-tolerant image descriptors for classification of biological particles. BIBE (2013)
Konstantina Barkoula, George Economou, Spiros Fotopoulos
Online signature verification based on signatures turning angle representation using longest common subsequence matching. Int. J. Document Anal. Recognit. 16 (3) (2013)
Konstantina Barkoula, Elias N. Zois, Evangelos Zervas, George Economou
Event Based Offline Signature Modeling Using Grid Source Probabilistic Coding. ICIAP Workshops (2013)
Ioannis Rigas, George Economou, Spiros Fotopoulos
Biometric identification based on the eye movements and graph matching techniques. Pattern Recognit. Lett. 33 (6) (2012)
Ioannis Rigas, George Economou, Spiros Fotopoulos
Human eye movements as a trait for biometrical identification. BTAS (2012)
Konstantinos Tselios, Elias N. Zois, Elias Siores, Athanasios Nassiopoulos, George Economou
Grid-based feature distributions for off-line signature verification. IET Biom. 1 (1) (2012)
Vasileios K. Pothos, Christos Theoharatos, George Economou
A local spectral distribution approach to face recognition. Comput. Vis. Image Underst. 116 (6) (2012)
Stavros I. Dimitriadis, Nikolaos A. Laskaris, Areti Tzelepi, George Economou
Analyzing Functional Brain Connectivity by Means of Commute Times: A New Approach and its Application to Track Event-Related Dynamics. IEEE Trans. Biomed. Eng. 59 (5) (2012)
Spiros Louvros, Athanasios C. Iossifides, Konstantinos Aggelis, Agamemnon Baltagiannis, George Economou
A Semi-Analytical Macroscopic MAC Layer Model for LTE Uplink. NTMS (2012)
Ilias Theodorakopoulos, Dimitris Kastaniotis, George Economou, Spiros Fotopoulos
HEp-2 Cells classification via fusion of morphological and textural features. BIBE (2012)
Ilias Theodorakopoulos, Ioannis Rigas, George Economou, Spiros Fotopoulos
Face recognition via local sparse coding. ICCV (2011)
Elias N. Zois, Athanasios Nassiopoulos, Konstantinos Tselios, Elias Siores, George Economou
Off-Line Signature Verification Using Two Step Transitional Features. MVA (2011)
Konstantinos Tselios, Elias N. Zois, Athanasios Nassiopoulos, George Economou
Fusion of directional transitional features for off-line signature verification. IJCB (2011)
Fotini Fotopoulou, Ilias Theodorakopoulos, George Economou
Fusion in phase space for shape retrieval. EUSIPCO (2011)
Konstantinos Tselios, Elias N. Zois, Athanasios Nassiopoulos, Sotiris Karabetsos, George Economou
Automated Off-Line Writer Verification Using Short Sentences and Grid Features. AFHA (2011)
Ioannis Tziakos, Christos Theoharatos, Nikolaos A. Laskaris, George Economou
Color image segmentation using Laplacian eigenmaps. J. Electronic Imaging 18 (2) (2009)
Dimitrios Besiris, Andrew Makedonas, George Economou, Spiros Fotopoulos
Combining graph connectivity & dominant set clustering for video summarization. Multim. Tools Appl. 44 (2) (2009)
Vasileios K. Pothos, Christos Theoharatos, Apostolos Ifantis, George Economou
A spectral distribution approach to fingerprint verification. DPS (2009)
Athanassios Zagouras, Athanassios A. Argiriou, Helena A. Flocas, George Economou, Spiros Fotopoulos
A machine vision based method for atmospheric circulation classification. DPS (2009)
Andrew Makedonas, Dimitrios Besiris, George Economou, Spiros Fotopoulos
Dictionary based color image retrieval. J. Vis. Commun. Image Represent. 19 (7) (2008)
Christos Theoharatos, Apostolos Ifantis, Nikolaos A. Laskaris, George Economou
Charting of geoelectric potential signal dynamics via geometrical techniques and its possible relation to significant earthquakes in Western Greece. Comput. Geosci. 34 (6) (2008)
Vasileios K. Pothos, Christos Theoharatos, Evangelos Zygouris, George Economou
Distributional-based texture classification using non-parametric statistics. Pattern Anal. Appl. 11 (2) (2008)
Vasileios K. Pothos, Christos Theoharatos, George Economou
Robust Face Recognition and Retrieval Using Neural-Network-Based Quantization of Gabor Jets and Statistical Graph Matching. ICTAI (1) (2007)
Andrew Macedonas, Spiros Fotopoulos, George Economou
Improvement of Image Retrieval by Fusing Different Descriptors. WIAMIS (2007)
Athanassios Zagouras, George Economou, Andrew Macedonas, Spiros Fotopoulos
An application study of manifold learning-ranking techniques in face recognition. MMSP (2007)
Christos Theoharatos, Nikolaos A. Laskaris, George Economou, Spiros Fotopoulos
On the Perceptual Organization of Image Databases Using Cognitive Discriminative Biplots. EURASIP J. Adv. Signal Process. 2007 (2007)
Christos Theoharatos, George Economou, Spiros Fotopoulos
Semantic Mapping of Image Databases using Perceptual Similarity. WIAMIS (2007)
Vasileios K. Pothos, Christos Theoharatos, George Economou, Apostolos Ifantis
Texture retrieval based on a non-parametric measure for multivariate distributions. CIVR (2007)
Dimitrios Besiris, Nikolaos A. Laskaris, Fotini Fotopoulou, George Economou
Key frame extraction in video sequences: a vantage points approach. MMSP (2007)
Dimitrios Besiris, Nikolaos A. Laskaris, Evangelos Zigouris, George Economou, Spiros Fotopoulos
Points of interest extraction using pairwise clustering and spatial features. EUSIPCO (2006)
Christos Theoharatos, Vasileios K. Pothos, Nikolaos A. Laskaris, George Economou, Spiros Fotopoulos
Multivariate image similarity in the compressed domain using statistical graph matching. Pattern Recognit. 39 (10) (2006)
Christos Theoharatos, Nikolaos A. Laskaris, George Economou, Spiros Fotopoulos
Combining self-organizing neural nets with multivariate statistics for efficient color image retrieval. Comput. Vis. Image Underst. 102 (3) (2006)
Christos Theoharatos, Vasileios K. Pothos, George Economou, Spiros Fotopoulos
Compressed Domain Image Indexing and Retrieval Based on the Minimal Spanning Tree. ICME (2005)
Sokratis Makrogiannis, George Economou, Spiros Fotopoulos, Nikolaos G. Bourbakis
Segmentation of color images using multiscale clustering and graph theoretic region synthesis. IEEE Trans. Syst. Man Cybern. Part A 35 (2) (2005)
Christos Theoharatos, George Economou, Spiros Fotopoulos
Color edge detection using the minimal spanning tree. Pattern Recognit. 38 (4) (2005)
Christos Theoharatos, George Economou, Spiros Fotopoulos, Nikolaos A. Laskaris
Color-based image retrieval using vector quantization and multivariate graph matching. ICIP (1) (2005)
Sokratis Makrogiannis, George Economou, Spiros Fotopoulos
A region dissimilarity relation that combines feature-space and spatial information for color image segmentation. IEEE Trans. Syst. Man Cybern. Part B 35 (1) (2005)
Christos Theoharatos, Nikolaos A. Laskaris, George Economou, Spiros Fotopoulos
A Generic Scheme for Color Image Retrieval Based on the Multivariate Wald-Wolfowitz Test. IEEE Trans. Knowl. Data Eng. 17 (6) (2005)
Christos Theoharatos, Nikolaos A. Laskaris, George Economou, Spiros Fotopoulos
A similarity measure for color image retrieval and indexing based on the Multivariate Two Sample Problem. EUSIPCO (2004)
George Economou, Vasileios K. Pothos, Apostolos Ifantis
Geodesic distance and MST based image segmentation. EUSIPCO (2004)
Sokratis Makrogiannis, Christos Theoharatos, George Economou, Spiros Fotopoulos
Color image segmentation using multiscale fuzzy C-means and graph theoretic merging. ICIP (1) (2003)
Sokratis Makrogiannis, George Economou, Spiros Fotopoulos
A fuzzy region dissimilarity measure using feature space information. DSP (2002)
Sokratis Makrogiannis, George Economou, Spiros Fotopoulos
Region oriented compression of color images using fuzzy inference and fast merging. Pattern Recognit. 35 (9) (2002)
George Economou, A. Fotinos, Sokratis Makrogiannis, Spiros Fotopoulos
Color image edge detection based on nonparametric density estimation. ICIP (1) (2001)
Sokratis Makrogiannis, George Economou, Spiros Fotopoulos
A Fuzzy Dissimilarity Function for Region Based Segmentation of Color Images. Int. J. Pattern Recognit. Artif. Intell. 15 (2) (2001)
Sokratis Makrogiannis, George Economou, Evangelos Zigouris, Spiros Fotopoulos
Segmentation of color images using a hierarchical fuzzy region merging technique. EUSIPCO (2000)
A. Fotinos, George Economou, Evangelos Zigouris, Spiros Fotopoulos
A histogram based multichannel filter. EUSIPCO (2000)
A. Fotinos, Nikos Laskaris, George Economou, Spiros Fotopoulos
Multidimensional Fuzzy Filtering using Statistical Parameters. Multidimens. Syst. Signal Process. 10 (4) (1999)
A. Fotinos, George Economou, Evangelos Zigouris, Spiros Fotopoulos
The use of entropy for colour edge detection. ICECS (1999)
Spiros Fotopoulos, Dimitris Sindoukas, Nikolaos A. Laskaris, George Economou
Image enhancement using color and spatial information. ICASSP (1997)
Dimitris Sindoukas, Spiros Fotopoulos, George Economou
Color image filtering using generalized cost functions. EUSIPCO (1996)
George Economou, Apostolos Ifantis, Dimitris Sindoukas
Multichannel distance filtering of seismic electric signals. EUSIPCO (1996)
M. Vemis, George Economou, Spiros Fotopoulos, A. Khodyrev
The use of Boolean functions and local operations for edge detection in images. Signal Process. 45 (2) (1995)
George Economou, Spiros Fotopoulos, M. Vemis
A family of nonlinear filters with data dependent coefficients. IEEE Trans. Signal Process. 43 (1) (1995)

George Economou.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

George Economou