Color image segmentation using multiscale fuzzy C-means and graph theoretic merging. - Sokratis Makrogiannis; Christos Theoharatos; George Economou; Spiros Fotopoulos (ICIP (1), 2003)

Experimental changes of the Hurst exponent behavior of the Geoelectrical Potential and its possible relation to the changes of spectral power-law exponent of the seismic activity in Western Greece. - Apostolos Ifantis; Christos Theoharatos; Vassilis Tsagaris; Gerasimos-Akis Tselentis (EUSIPCO, 2004)

A similarity measure for color image retrieval and indexing based on the Multivariate Two Sample Problem. - Christos Theoharatos; Nikolaos A. Laskaris; George Economou; Spiros Fotopoulos (EUSIPCO, 2004)

Color-based image retrieval using vector quantization and multivariate graph matching. - Christos Theoharatos; George Economou; Spiros Fotopoulos; Nikolaos A. Laskaris (ICIP (1), 2005)

Compressed Domain Image Indexing and Retrieval Based on the Minimal Spanning Tree. - Christos Theoharatos; Vasileios K. Pothos; George Economou; Spiros Fotopoulos (ICME, 2005)

Color edge detection using the minimal spanning tree. - Christos Theoharatos; George Economou; Spiros Fotopoulos (Pattern Recognit., 2005)

A Generic Scheme for Color Image Retrieval Based on the Multivariate Wald-Wolfowitz Test. - Christos Theoharatos; Nikolaos A. Laskaris; George Economou; Spiros Fotopoulos (IEEE Trans. Knowl. Data Eng., 2005)

Combining self-organizing neural nets with multivariate statistics for efficient color image retrieval. - Christos Theoharatos; Nikolaos A. Laskaris; George Economou; Spiros Fotopoulos (Comput. Vis. Image Underst., 2006)

Multivariate image similarity in the compressed domain using statistical graph matching. - Christos Theoharatos; Vasileios K. Pothos; Nikolaos A. Laskaris; George Economou; Spiros Fotopoulos (Pattern Recognit., 2006)

Texture retrieval based on a non-parametric measure for multivariate distributions. - Vasileios K. Pothos; Christos Theoharatos; George Economou; Apostolos Ifantis (CIVR, 2007)

Robust Face Recognition and Retrieval Using Neural-Network-Based Quantization of Gabor Jets and Statistical Graph Matching. - Vasileios K. Pothos; Christos Theoharatos; George Economou (ICTAI (1), 2007)

Semantic Mapping of Image Databases using Perceptual Similarity. - Christos Theoharatos; George Economou; Spiros Fotopoulos (WIAMIS, 2007)

On the Perceptual Organization of Image Databases Using Cognitive Discriminative Biplots. - Christos Theoharatos; Nikolaos A. Laskaris; George Economou; Spiros Fotopoulos (EURASIP J. Adv. Signal Process., 2007)

Designing a modular system for direct search of video & audio content: The DIVAS project. - Nikos Achilleopoulos; Christos Theoharatos (CBMI, 2008)

An advanced direct searching technique applied on compressed video content repositories. - Fotis Andritsopoulos; Serafeim Papastefanos; Vassiliki Mpilili; Christos Theoharatos (DIMEA, 2008)

Direct searching of multimedia content based on video characteristics extracted from compressed domain. - Serafeim Papastefanos; Fotis Andritsopoulos; Vassiliki Mpilili; Christos Theoharatos; Nikos Achilleopoulos (DIMEA, 2008)

Charting of geoelectric potential signal dynamics via geometrical techniques and its possible relation to significant earthquakes in Western Greece. - Christos Theoharatos; Apostolos Ifantis; Nikolaos A. Laskaris; George Economou (Comput. Geosci., 2008)

Distributional-based texture classification using non-parametric statistics. - Vasileios K. Pothos; Christos Theoharatos; Evangelos Zygouris; George Economou (Pattern Anal. Appl., 2008)

A spectral distribution approach to fingerprint verification. - Vasileios K. Pothos; Christos Theoharatos; Apostolos Ifantis; George Economou (DPS, 2009)

Color image segmentation using Laplacian eigenmaps. - Ioannis Tziakos; Christos Theoharatos; Nikolaos A. Laskaris; George Economou (J. Electronic Imaging, 2009)

A local spectral distribution approach to face recognition. - Vasileios K. Pothos; Christos Theoharatos; George Economou (Comput. Vis. Image Underst., 2012)

An FPGA-Based Hardware Implementation of Configurable Pixel-Level Color Image Fusion. - Dimitrios Besiris; Vassilis Tsagaris; Nikolaos Fragoulis; Christos Theoharatos (IEEE Trans. Geosci. Remote. Sens., 2012)

A framework for gait-based recognition using Kinect. - Dimitris Kastaniotis; Ilias Theodorakopoulos; Christos Theoharatos; George Economou; Spiros Fotopoulos (Pattern Recognit. Lett., 2015)

Vision-based guidance of a robotic arm for object handling operations - The white'R vision framework. - Christos Theoharatos; Dimitris Kastaniotis; Dimitris Besirios; Nikos Fragoulis (RTSI, 2016)

Local manifold distance based on neighborhood graph reordering. - Ilias Theodorakopoulos; George Economou; Spiros Fotopoulos; Christos Theoharatos (Pattern Recognit., 2016)

Muscle Type Classification on Ultrasound Imaging Using Deep Convolutional Neural Networks. - Sofoklis Katakis; Nikolaos Barotsis; Dimitrios Kastaniotis; Christos Theoharatos; Dimitrios Tsourounis; Spiros Fotopoulos; Elias Panagiotopoulos (IVMSP, 2018)

The HealthSign Project: Vision and Objectives. - Dimitrios I. Kosmopoulos; Antonis A. Argyros; Christos Theoharatos; Venetta Lampropoulou; Christos Panagopoulos; Ilias Maglogiannis (PETRA, 2018)

Vision-Based Mapping and Micro-localization of Industrial Components in the Fields of Laser Technology. - Christos Theoharatos; Dimitris Kastaniotis; Dimitrios Besiris; Nikos Fragoulis (Multidisciplinary Approaches to Neural Computing, 2018)

Lip Reading in Greek words at unconstrained driving scenario. - Dimitris Kastaniotis; Dimitrios Tsourounis; Aristotelis Koureleas; Bojidar Peev; Christos Theoharatos; Spiros Fotopoulos (IISA, 2019)

Analysis, Modeling and Multi-Spectral Sensing for the Predictive Management of Verticillium Wilt in Olive Groves. - Kostas Blekos; Anastasios Tsakas; Christos Xouris; Ioannis Evdokidis; Dimitris Alexandropoulos; Christos Alexakos; Sofoklis Katakis; Andreas Makedonas; Christos Theoharatos; Aris S. Lalos (J. Sens. Actuator Networks, 2021)

SIFT-CNN: When Convolutional Neural Networks Meet Dense SIFT Descriptors for Image and Sequence Classification. - Dimitrios Tsourounis; Dimitris Kastaniotis; Christos Theoharatos; Andreas Kazantzidis; George Economou (J. Imaging, 2022)