George Economou

Orcid: 0000-0001-9938-0768

Affiliations:
  • Hellenic Open University, Physics Department, Patras, Greece


According to our database1, George Economou authored at least 99 papers between 1994 and 2023.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2023
Leveraging Expert Models for Training Deep Neural Networks in Scarce Data Domains: Application to Offline Handwritten Signature Verification.
CoRR, 2023

2022
Automatic Extraction of Muscle Parameters with Attention UNet in Ultrasonography.
Sensors, 2022

SIFT-CNN: When Convolutional Neural Networks Meet Dense SIFT Descriptors for Image and Sequence Classification.
J. Imaging, 2022

From text to signatures: Knowledge transfer for efficient deep feature learning in offline signature verification.
Expert Syst. Appl., 2022

2021
Geometric Regularization of Local Activations for Knowledge Transfer in Convolutional Neural Networks.
Inf., 2021

Semantic Information in Gating Patterns of Dynamic Convolutional Neural Networks.
Proceedings of the 12th International Conference on Information, 2021

2020
3D shape clustering with Nonnegative Least Squares coding and fusion on multilayer graphs.
Multim. Tools Appl., 2020

Local Manifold Regularization for Knowledge Transfer in Convolutional Neural Networks.
Proceedings of the 11th International Conference on Information, 2020

Sequential Motif Profiles and Topological Plots for Offline Signature Verification.
Proceedings of the 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2020

2019
A Comprehensive Study of Sparse Representation Techniques for Offline Signature Verification.
IEEE Trans. Biom. Behav. Identity Sci., 2019

3D shape classification with NNLS coding and optimal projections technique.
Multim. Tools Appl., 2019

Writer independent offline signature verification based on asymmetric pixel relations and unrelated training-testing datasets.
Expert Syst. Appl., 2019

Sky Image forecasting with Generative Adversarial Networks for cloud coverage prediction.
Proceedings of the 10th International Conference on Information, 2019

2018
On the definition of shape parts: a dominant sets approach.
Pattern Anal. Appl., 2018

Attention-Aware Generative Adversarial Networks (ATA-GANs).
Proceedings of the 13th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2018

Hierarchical Dictionary Learning and Sparse Coding for Static Signature Verification.
Proceedings of the 2018 IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2018

2017
HEp-2 cell classification with Vector of Hierarchically Aggregated Residuals.
Pattern Recognit., 2017

Long range correlation of preceded pixels relations and application to off-line signature verification.
IET Biom., 2017

3D Shape Classification Using Collaborative Representation based Projections.
CoRR, 2017

Offline Handwritten Signature Modeling and Verification Based on Archetypal Analysis.
Proceedings of the IEEE International Conference on Computer Vision, 2017

Parsimonious Coding and Verification of Offline Handwritten Signatures.
Proceedings of the 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops, 2017

2016
Gait based recognition via fusing information from Euclidean and Riemannian manifolds.
Pattern Recognit. Lett., 2016

Offline signature verification and quality characterization using poset-oriented grid features.
Pattern Recognit., 2016

Local manifold distance based on neighborhood graph reordering.
Pattern Recognit., 2016

2015
A framework for gait-based recognition using Kinect.
Pattern Recognit. Lett., 2015

Efficient modeling of visual saliency based on local sparse representation and the use of hamming distance.
Comput. Vis. Image Underst., 2015

2014
HEp-2 cells classification via sparse representation of textural features fused into dissimilarity space.
Pattern Recognit., 2014

Pose-based human action recognition via sparse representation in dissimilarity space.
J. Vis. Commun. Image Represent., 2014

HEp-2 Cell Classification Using Descriptors Fused into the Dissimilarity Space into the Dissimilarity Space.
Int. J. Artif. Intell. Tools, 2014

Using kinect for assesing the state of Multiple Sclerosis patients.
Proceedings of the 4th International Conference on Wireless Mobile Communication and Healthcare: "Transforming healthcare through innovations in mobile and wireless technologies", 2014

HEp-2 Cells Classification Using Morphological Features and a Bundle of Local Gradient Descriptors.
Proceedings of the 1st Workshop on Pattern Recognition Techniques for Indirect Immunofluorescence Images, 2014

Poset Description of Grid Features and Application to Off-Line Signature Verification.
Proceedings of the 14th International Conference on Frontiers in Handwriting Recognition, 2014

Graph Based Re-ranking Method with Application to Handwritten Digits.
Proceedings of the 14th International Conference on Frontiers in Handwriting Recognition, 2014

2013
Advanced leaf image retrieval via Multidimensional Embedding Sequence Similarity (MESS) method.
Pattern Anal. Appl., 2013

Low-Level Visual Saliency With Application on Aerial Imagery.
IEEE Geosci. Remote. Sens. Lett., 2013

Online signature verification based on signatures turning angle representation using longest common subsequence matching.
Int. J. Document Anal. Recognit., 2013

Collaborative Sparse Representation in Dissimilarity Space for Classification of Visual Information.
Proceedings of the Advances in Visual Computing - 9th International Symposium, 2013

On-line signature recognition via fusion of dynamic features into dissimilarity space.
Proceedings of the IEEE International Symposium on Signal Processing and Information Technology, 2013

Classification of Dissimilarity Data via Sparse Representation.
Proceedings of the ICPRAM 2013, 2013

Shape Representation via the Generalized Geodesic Median Point.
Proceedings of the ICPRAM 2013, 2013

Event Based Offline Signature Modeling Using Grid Source Probabilistic Coding.
Proceedings of the New Trends in Image Analysis and Processing - ICIAP 2013, 2013

Unsupervised music segmentation via multi-scale processing of compressive features' representation.
Proceedings of the 18th International Conference on Digital Signal Processing, 2013

Gait-based gender recognition using pose information for real time applications.
Proceedings of the 18th International Conference on Digital Signal Processing, 2013

Off-Line Signature Verification based on Ordered Grid Features: An Evaluation.
Proceedings of the 2nd ICDAR International Workshop on Automated Forensic Handwriting Analysis, 2013

Local focus-tolerant image descriptors for classification of biological particles.
Proceedings of the 13th IEEE International Conference on BioInformatics and BioEngineering, 2013

HEp-2 cells classification using locally aggregated features mapped in the dissimilarity space.
Proceedings of the 13th IEEE International Conference on BioInformatics and BioEngineering, 2013

2012
Analyzing Functional Brain Connectivity by Means of Commute Times: A New Approach and its Application to Track Event-Related Dynamics.
IEEE Trans. Biomed. Eng., 2012

Biometric identification based on the eye movements and graph matching techniques.
Pattern Recognit. Lett., 2012

Grid-based feature distributions for off-line signature verification.
IET Biom., 2012

A local spectral distribution approach to face recognition.
Comput. Vis. Image Underst., 2012

A Semi-Analytical Macroscopic MAC Layer Model for LTE Uplink.
Proceedings of the 5th International Conference on New Technologies, 2012

Human eye movements as a trait for biometrical identification.
Proceedings of the IEEE Fifth International Conference on Biometrics: Theory, 2012

HEp-2 Cells classification via fusion of morphological and textural features.
Proceedings of the 12th IEEE International Conference on Bioinformatics & Bioengineering, 2012

2011
Off-Line Signature Verification Using Two Step Transitional Features.
Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2011), 2011

Automated Off-Line Writer Verification Using Short Sentences and Grid Features.
Proceedings of the 1st International Workshop on Automated Forensic Handwriting Analysis: A Satellite Workshop of ICDAR-2011, 2011

Face recognition via local sparse coding.
Proceedings of the IEEE International Conference on Computer Vision, 2011

Fusion of directional transitional features for off-line signature verification.
Proceedings of the 2011 IEEE International Joint Conference on Biometrics, 2011

Fusion in phase space for shape retrieval.
Proceedings of the 19th European Signal Processing Conference, 2011

2009
Combining graph connectivity & dominant set clustering for video summarization.
Multim. Tools Appl., 2009

Color image segmentation using Laplacian eigenmaps.
J. Electronic Imaging, 2009

A machine vision based method for atmospheric circulation classification.
Proceedings of the 16th International Conference on Digital Signal Processing, 2009

A spectral distribution approach to fingerprint verification.
Proceedings of the 16th International Conference on Digital Signal Processing, 2009

2008
Distributional-based texture classification using non-parametric statistics.
Pattern Anal. Appl., 2008

Dictionary based color image retrieval.
J. Vis. Commun. Image Represent., 2008

Charting of geoelectric potential signal dynamics via geometrical techniques and its possible relation to significant earthquakes in Western Greece.
Comput. Geosci., 2008

2007
On the Perceptual Organization of Image Databases Using Cognitive Discriminative Biplots.
EURASIP J. Adv. Signal Process., 2007

Semantic Mapping of Image Databases using Perceptual Similarity.
Proceedings of the Eighth International Workshop on Image Analysis for Multimedia Interactive Services, 2007

Improvement of Image Retrieval by Fusing Different Descriptors.
Proceedings of the Eighth International Workshop on Image Analysis for Multimedia Interactive Services, 2007

An application study of manifold learning-ranking techniques in face recognition.
Proceedings of the IEEE 9th Workshop on Multimedia Signal Processing, 2007

Key frame extraction in video sequences: a vantage points approach.
Proceedings of the IEEE 9th Workshop on Multimedia Signal Processing, 2007

Robust Face Recognition and Retrieval Using Neural-Network-Based Quantization of Gabor Jets and Statistical Graph Matching.
Proceedings of the 19th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2007), 2007

Texture retrieval based on a non-parametric measure for multivariate distributions.
Proceedings of the 6th ACM International Conference on Image and Video Retrieval, 2007

2006
Multivariate image similarity in the compressed domain using statistical graph matching.
Pattern Recognit., 2006

Combining self-organizing neural nets with multivariate statistics for efficient color image retrieval.
Comput. Vis. Image Underst., 2006

Points of interest extraction using pairwise clustering and spatial features.
Proceedings of the 14th European Signal Processing Conference, 2006

2005
Segmentation of color images using multiscale clustering and graph theoretic region synthesis.
IEEE Trans. Syst. Man Cybern. Part A, 2005

A region dissimilarity relation that combines feature-space and spatial information for color image segmentation.
IEEE Trans. Syst. Man Cybern. Part B, 2005

A Generic Scheme for Color Image Retrieval Based on the Multivariate Wald-Wolfowitz Test.
IEEE Trans. Knowl. Data Eng., 2005

Color edge detection using the minimal spanning tree.
Pattern Recognit., 2005

Compressed Domain Image Indexing and Retrieval Based on the Minimal Spanning Tree.
Proceedings of the 2005 IEEE International Conference on Multimedia and Expo, 2005

Color-based image retrieval using vector quantization and multivariate graph matching.
Proceedings of the 2005 International Conference on Image Processing, 2005

2004
A similarity measure for color image retrieval and indexing based on the Multivariate Two Sample Problem.
Proceedings of the 2004 12th European Signal Processing Conference, 2004

Geodesic distance and MST based image segmentation.
Proceedings of the 2004 12th European Signal Processing Conference, 2004

2003
Color image segmentation using multiscale fuzzy C-means and graph theoretic merging.
Proceedings of the 2003 International Conference on Image Processing, 2003

2002
Region oriented compression of color images using fuzzy inference and fast merging.
Pattern Recognit., 2002

A fuzzy region dissimilarity measure using feature space information.
Proceedings of the 14th International Conference on Digital Signal Processing, 2002

2001
A Fuzzy Dissimilarity Function for Region Based Segmentation of Color Images.
Int. J. Pattern Recognit. Artif. Intell., 2001

Color image edge detection based on nonparametric density estimation.
Proceedings of the 2001 International Conference on Image Processing, 2001

2000
Segmentation of color images using a hierarchical fuzzy region merging technique.
Proceedings of the 10th European Signal Processing Conference, 2000

A histogram based multichannel filter.
Proceedings of the 10th European Signal Processing Conference, 2000

1999
Multidimensional Fuzzy Filtering using Statistical Parameters.
Multidimens. Syst. Signal Process., 1999

The use of entropy for colour edge detection.
Proceedings of the 6th IEEE International Conference on Electronics, Circuits and Systems, 1999

1997
Image enhancement using color and spatial information.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996
Color image filtering using generalized cost functions.
Proceedings of the 8th European Signal Processing Conference, 1996

Multichannel distance filtering of seismic electric signals.
Proceedings of the 8th European Signal Processing Conference, 1996

1995
A family of nonlinear filters with data dependent coefficients.
IEEE Trans. Signal Process., 1995

The use of Boolean functions and local operations for edge detection in images.
Signal Process., 1995

1994
Vector Nonlinear Data Depended Filters.
Proceedings of the 1994 IEEE International Symposium on Circuits and Systems, ISCAS 1994, London, England, UK, May 30, 1994

A Novel Edge Detector Based on Nonlinear Local Operations.
Proceedings of the 1994 IEEE International Symposium on Circuits and Systems, ISCAS 1994, London, England, UK, May 30, 1994


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