Spiros Fotopoulos

Publication Activity (10 Years)

Years Active: 1993-2021
Publications (10 Years): 13

Top Topics

Visual Saliency

Sparse Representation

Hamming Distance

Signature Verification

Top Venues

Pattern Recognit. Lett.

Pattern Recognit.

Publications

Dimitrios Tsourounis, Dimitris Kastaniotis, Spiros Fotopoulos
Lip Reading by Alternating between Spatiotemporal and Spatial Convolutions. J. Imaging 7 (5) (2021)
Dimitris Kastaniotis, Dimitrios Tsourounis, Spiros Fotopoulos
Lip Reading modeling with Temporal Convolutional Networks for medical support applications. CISP-BMEI (2020)
Dimitris Kastaniotis, Dimitrios Tsourounis, Aristotelis Koureleas, Bojidar Peev, Christos Theoharatos, Spiros Fotopoulos
Lip Reading in Greek words at unconstrained driving scenario. IISA (2019)
Dimitris Kastaniotis, Ioanna Ntinou, Dimitrios Tsourounis, George Economou, Spiros Fotopoulos
Attention-Aware Generative Adversarial Networks (ATA-GANs). IVMSP (2018)
Sofoklis Katakis, Nikolaos Barotsis, Dimitrios Kastaniotis, Christos Theoharatos, Dimitrios Tsourounis, Spiros Fotopoulos, Elias Panagiotopoulos
Muscle Type Classification on Ultrasound Imaging Using Deep Convolutional Neural Networks. IVMSP (2018)
Dimitris Kastaniotis, Ioanna Ntinou, Dimitrios Tsourounis, George Economou, Spiros Fotopoulos
Attention-Aware Generative Adversarial Networks (ATA-GANs). CoRR (2018)
Sebastian Neuner, Artemios G. Voyiatzis, Spiros Fotopoulos, Collin Mulliner, Edgar R. Weippl
USBlock: Blocking USB-Based Keypress Injection Attacks. DBSec (2018)
Fotini Fotopoulou, Spiros Oikonomou, A. Papathanasiou, George Economou, Spiros Fotopoulos
3D Shape Classification Using Collaborative Representation based Projections. 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)
Stavros I. Dimitriadis, Panagiotis G. Simos, Nikolaos A. Laskaris, Spiros Fotopoulos, Jack M. Fletcher, David E. J. Linden, Andrew C. Papanicolaou
Classifying children with reading difficulties from non-impaired readers via symbolic dynamics and complexity analysis of MEG resting-state data. ISSPIT (2016)
Dimitris Kastaniotis, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos
Gait based recognition via fusing information from Euclidean and Riemannian manifolds. Pattern Recognit. Lett. 84 (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, Spiros Fotopoulos
Pose-based gait recognition with local gradient descriptors and hierarchically aggregated residuals. J. Electronic Imaging 25 (6) (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)
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)
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)
Spiros Fotopoulos, Dimitris Kastaniotis
KAD - An Intelligent System for Categorizing and Assessing the State of Patients with Multiple Sclerosis. ERCIM News 2013 (95) (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)
Irene Kotsia, Stefanos Zafeiriou, Spiros Fotopoulos
Affective Gaming: A Comprehensive Survey. CVPR Workshops (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)
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)
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)
Irene Kotsia, Ioannis Patras, Spiros Fotopoulos
Affective gaming: Beyond using sensors. ISCCSP (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)
Dimitrios Besiris, Andrew Makedonas, George Economou, Spiros Fotopoulos
Combining graph connectivity & dominant set clustering for video summarization. Multim. Tools Appl. 44 (2) (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)
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)
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)
Sokratis Makrogiannis, Iris Vanhamel, Spiros Fotopoulos, Hichem Sahli, Jan Cornelis
Watershed-based multiscale segmentation method for color images using automated scale selection. J. Electronic Imaging 14 (3) (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)
Nikolaos A. Laskaris, Spiros Fotopoulos, Andreas A. Ioannides
Mining information from event-related recordings. IEEE Signal Process. Mag. 21 (3) (2004)
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)
Ioannis Tziakos, Nikolaos A. Laskaris, Spiros Fotopoulos
Multivariate image segmentation using Laplacian Eigenmaps. EUSIPCO (2004)
Nikolaos A. Laskaris, Spiros Fotopoulos
A novel training scheme for neural-network-based vector quantizers and its application in image compression. Neurocomputing 61 (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, Iris Vanhamel, Hichem Sahli, Spiros Fotopoulos
Scale space segmentation of color images using watersheds and fuzzy region merging. ICIP (1) (2001)
Sokratis Makrogiannis, Peter Schelkens, Spiros Fotopoulos, Jan Cornelis
Region-oriented compression of color images using fuzzy inference and shape adaptive DCT. ICIP (3) (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)
A. Fotinos, Nikolaos A. Laskaris, Spiros Fotopoulos
Fuzzy colour filtering using relative entropy. EUSIPCO (1998)
Spiros Fotopoulos, Dimitris Sindoukas, Nikolaos A. Laskaris, George Economou
Image enhancement using color and spatial information. ICASSP (1997)
Dimitris Sindoukas, Nikolaos A. Laskaris, Spiros Fotopoulos
Algorithms for color image edge enhancement using potential functions. IEEE Signal Process. Lett. 4 (9) (1997)
Dimitris Sindoukas, Spiros Fotopoulos, George Economou
Color image filtering using generalized cost functions. EUSIPCO (1996)
Nikolaos A. Laskaris, Spiros Fotopoulos, Anastasios Bezerianos, A. Manolis
Fuzzy - weighted averaging for high-resolution ECG based on exploratory data analysis. 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)
Spiros Fotopoulos, George Economou, Nikolaos A. Laskaris, Dimitris Sindoukas
Vector Nonlinear Data Depended Filters. ISCAS (1994)
George Economou, Spiros Fotopoulos, M. Vemis
A Novel Edge Detector Based on Nonlinear Local Operations. ISCAS (1994)
Jukka Neejärvi, Alpo Värri, Spiros Fotopoulos, Yrjö Neuvo
Weighted FMH filters. Signal Process. 31 (2) (1993)