Lectures | Projects | Publications

Projects UPCV group publications.

2017
Dimitris Kastaniotis, Ilias Theodorakopoulos, Spiros Fotopoulos, "Pose-based gait recognition with local gradient descriptors and hierarchically aggregated residuals," J. Electron. Imaging 25(6), 063019 (2016), doi: 10.1117/1.JEI.25.6.063019

Dimitris Kastaniotis,Ilias Theodorakopoulos, George Economou and Spiros Foropoulos Gait based recognition via fusing information from Euclidean and Riemannian manifolds, Pattern Recognition Letters, Volume 84, 1 December 2016, Pages 245-251, ISSN 0167-8655, http://dx.doi.org/10.1016/j.patrec.2016.10.012.

Dimitris Kastaniotis, Foteini Fotopoulou, Ilias Theodorakopoulos, George Economou, Spiros Fotopoulos, HEp-2 cell classification with Vector of Hierarchically Aggregated Residuals, Pattern Recognition, Volume 65, May 2017, Pages 47-57, ISSN 0031-3203, http://doi.org/10.1016/j.patcog.2016.12.013.



2016
E.N. Zois, L. Alewijnse, G. Economou, Offline signature verification and quality characterization using poset-oriented grid features, Pattern Recognition, (2016).

K. Ninos, S. Kostopoulos, I. Kalatzis, K. Sidiropoulos, P. Ravazoula, G. Sakellaropoulos, G. Panayiotakis, G. Economou, D. Cavouras, Microscopy image analysis of p63 immunohistochemically stained laryngeal cancer lesions for predicting patient 5-year survival, European Archives of Oto-Rhino-Laryngology, 273 (2016) 159-168.


2015
I. Theodorakopoulos, G. Economou, S. Fotopoulos, C. Theoharatos, Local manifold distance based on neighborhood graph reordering, Pattern Recognition, (2015).

I. Rigas, G. Economou, S. Fotopoulos, Efficient modeling of visual saliency based on local sparse representation and the use of hamming distance, Computer Vision and Image Understanding, 134 (2015) 33-45.

D. Kastaniotis, I. Theodorakopoulos, C. Theoharatos, G. Economou, S. Fotopoulos, A framework for gait-based recognition using Kinect, Pattern Recognition Letters, 68 (2015) 327-335.

2014
I. Theodorakopoulos, D. Kastaniotis, G. Economou, . Fotopoulos, Pose-based human action recognition via sparse representation in dissimilarity space, Journal of Visual Communication and Image Representation, 25 (2014) 12-23.

Theodorakopoulos, D. Kastaniotis, G. Economou, S. Fotopoulos, HEp-2 Cells Classification Using Morphological Features and a Bundle of Local Gradient Descriptors, Pattern Recognition Techniques for Indirect Immunofluorescence Images (I3A), 2014 1st Workshop on, IEEE2014, pp. 33-36.


Dimitrios Kastaniotis , Gerasimos Kartsakalos, Spiros Fotopoulos, Panagiotis Papathanasopoulos, "Using Kinect for Assesing the state of Multiple Sclerosis patients," To appear in Mobihealth 2014.


Elias N. Zois, Evangelos Zervas, K.Barkoula, G. Economou, S. Fotopoulos "Poset Description of Grid Features and Application to Off-Line Signature Verification", 14th International Conference on Frontiers in Handwriting Recognition, Sep. 1-4,2014, Herakleion , Crete island, Greece


Foteini Fotopoulou and George Economou "Graph Based Re-Ranking Method with Application to Handwritten Digits" 14th International Conference on Frontiers in Handwriting Recognition,Sep. 1-4,2014, Herakleion , Crete island, Greece


2013
"HEp-2 Cell classification using descriptors fused into the dissimilarity space", Ilias Theodorakopoulos, Dimitrios Kastaniotis, George Economou and Spiros Fotopoulos has been accepted in for publication in International Journal on Artificial Intelligence Tools.

"KAD - An Intelligent System for Categorizing and Assessing the State of Patients with Multiple Sclerosis", Spiros Fotopoulos and Dimitrios Kastaniotis , ERCIM issue 95, October 2013, pp.25, Special Theme "Image Understanding "

"I. Theodorakopoulos, D. Kastaniotis , G. Economou and S. Fotopoulos, "HEp-2 cells classification via sparse representation of textural features fused into dissimilarity space, accepted in Pattern Recognition."


"Nefeli Vassiliki Politi-Stergiou, Ilias Theodorakopoulos, Student Member, IEEE, George Economou", Local focus-tolerant image descriptors for classification of biological particles, to appear in BIBE 2013.


"Dimitris Kastaniotis, Ilias Theodorakopoulos, Spiros Fotopoulos and George Economou, "HEp-2 Cells Classification Using Locally Aggregated Features Mapped in the Dissimilarity Space", to appear in BIBE 2013.


"I. Theodorakopoulos, D. Kastaniotis , G. Economou and S. Fotopoulos, "Pose-based Human Action Recognition via Sparse Representation in Dissimilarity Space", Journal of Visual Communication and Image Representation (JVCI), in Press. Visit Project Page


Ilias Theodorakopoulos, George Economou and Spiros Fotopoulos, "Unsupervised Music Segmentation via Multi-Scale Processing of Compressive Features' Representation", to appear in DSP 2013


D. Kastaniotis, I. Theodorakopoulos, G. Economou and S. Fotopoulos, Gait-based Gender Recognition using Pose Information for Real Time Applications", Digital Signal Processing (DSP), 2013 18th International Conference on , vol., no., pp.1,6, 1-3 July 2013
Visit Project Page


Ioannis Rigas, George Economou, and Spiros Fotopoulos, "Low-level Visual Saliency with Application on Aerial Imagery", Geoscience and Remote Sensing Letters, IEEE , vol.PP, no.99, pp.1,5, 0 doi: 10.1109/LGRS.2013.2243402 Visit Project Page


Ilias Theodorakopoulos, George Economou and Spiros Fotopoulos, "Classification of Dissimilarity Data via Sparse Representation", to appear in ICPRAM 2013

F. Fotopoulou, D. Kastaniotis, I. Theodorakopoulos and G. Economou, "Shape Representation Via the Generalized Geodesic Median Point", to appear in ICPRAM 2013



2012
Rigas, I.; Economou, G.; Fotopoulos, S.; , "Human eye movements as a trait for biometrical identification," Biometrics: Theory, Applications and Systems (BTAS), 2012 IEEE Fifth International Conference on , vol., no., pp.217-222, 23-27 Sept. 2012 doi: 10.1109/BTAS.2012.6374580 Visit Project Page


I. Theodorakopoulos, D. Kastaniotis, G. Economou and S. Fotopoulos. "HEp-2 Cells Classification via fusion of morphological and textural features". In proc. of IEEE 12th International Conference on BioInformatics and BioEngineering (BIBE), November 2012 Visit Project Page


K. Barkoula,G. Economou and S. Fotopoulos "Online signature verification based on signatures turning angle representation using longest common subsequence matching" International Journal on Document Analysis and Recognition (IJDAR) September 2012

I. Rigas, G. Economou, S. Fotopoulos, "Biometric identification based on the eye movements and graph matching techniques" , Pattern Recognition Letters, vol. 33, no. 6, pp. 786-792, 15 Apr. 2012. Visit Project Page

I. Theodorakopoulos, I. Rigas, G. Economou, S. Fotopoulos, "Face recognition via local sparse coding" , 2011 IEEE International Conference on Computer Vision (ICCV), pp. 1647-1652, 6-13 Nov. 2011.

G. Koukiou, V. Anastassopoulos, "Drunk Person Identification using Thermal Infrared Images", International Journal of Electronic Security and Digital Forensics (IJESDF).

G. Koukiou, V. Anastassopoulos, "Facial Blood Vessels Activity in Drunk Persons using Thermal Infrared", ICDP 2011, London,UK.

F. Fotopoulou, I. Theodorakopoulos and G. Economou. "Fusion in Phase Space for Shape Retrieval" , EUSIPCO 2011, Barcelona, Spain, August 29-September 2, 2011

Fotopoulou and G. Economou. "Multivariate Angle Scale Descriptor for Shape Retrieval" , SPAMEC 2011, Cluj-Napoca, Romania, August 26-28, 2011.

F. Fotopoulou, N.Laskaris, G.Economou and S.Fotopoulos. "Advanced Leaf Image Retrieval via Multidimensional Embedding Sequence Similarity (MESS) Method",, Pattern Analysis and Applications, 4 December 2011, pp.1-12

G. Koukiou, G. Panagopoulos and V. Anastassopoulos, Drunk Person Identification Using Thermal Infrared Images", DSP 2009, Santorini, Greece.