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The i3dpost multi-view and 3d human action/interaction database
N Gkalelis, H Kim, A Hilton, N Nikolaidis, I Pitas
2009 Conference for Visual Media Production, 159-168, 2009
2052009
Mixture subclass discriminant analysis
N Gkalelis, V Mezaris, I Kompatsiaris
IEEE Signal Processing Letters 18 (5), 319-322, 2011
622011
ITI-CERTH participation to TRECVID 2013.
F Markatopoulou, A Moumtzidou, D Galanopoulos, T Mironidis, V Kaltsa, ...
TRECVID, 2013
482013
Combining fuzzy vector quantization with linear discriminant analysis for continuous human movement recognition
N Gkalelis, A Tefas, I Pitas
IEEE Transactions on Circuits and Systems for Video Technology 18 (11), 1511 …, 2008
472008
Mixture subclass discriminant analysis link to restricted Gaussian model and other generalizations
N Gkalelis, V Mezaris, I Kompatsiaris, T Stathaki
IEEE Transactions on Neural Networks and Learning Systems 24 (1), 8-21, 2012
462012
View indepedent human movement recognition from multi-view video exploiting a circular invariant posture representation
N Gkalelis, N Nikolaidis, I Pitas
2009 IEEE International Conference on Multimedia and Expo, 394-397, 2009
462009
Video event detection using generalized subclass discriminant analysis and linear support vector machines
N Gkalelis, V Mezaris
Proceedings of international conference on multimedia retrieval, 25-32, 2014
312014
ITI-CERTH participation to TRECVID 2010.
A Moumtzidou, A Dimou, N Gkalelis, S Vrochidis, V Mezaris, ...
TRECVID, 2010
282010
High-level event detection in video exploiting discriminant concepts
N Gkalelis, V Mezaris, I Kompatsiaris
2011 9th International Workshop on Content-Based Multimedia Indexing (CBMI …, 2011
272011
A joint content-event model for event-centric multimedia indexing
N Gkalelis, V Mezaris, I Kompatsiaris
2010 IEEE Fourth International Conference on Semantic Computing, 79-84, 2010
192010
Human identification from human movements
N Gkalelis, A Tefas, I Pitas
2009 16th IEEE International Conference on Image Processing (ICIP), 2585-2588, 2009
192009
Improving event detection using related videos and relevance degree support vector machines
C Tzelepis, N Gkalelis, V Mezaris, I Kompatsiaris
Proceedings of the 21st ACM international conference on Multimedia, 673-676, 2013
162013
ITI-CERTH participation to TRECVID 2014.
N Gkalelis, F Markatopoulou, A Moumtzidou, D Galanopoulos, ...
TRECVID, 2014
132014
Automatic event-based indexing of multimedia content using a joint content-event model
N Gkalelis, V Mezaris, I Kompatsiaris
Proceedings of the 2nd ACM international workshop on Events in multimedia, 15-20, 2010
132010
High-level event detection system based on discriminant visual concepts
I Tsampoulatidis, N Gkalelis, A Dimou, V Mezaris, I Kompatsiaris
Proceedings of the 1st ACM International Conference on Multimedia Retrieval, 1-2, 2011
122011
Linear subclass support vector machines
N Gkalelis, V Mezaris, I Kompatsiaris, T Stathaki
IEEE Signal Processing Letters 19 (9), 575-578, 2012
112012
GPU accelerated generalised subclass discriminant analysis for event and concept detection in video
S Arestis-Chartampilas, N Gkalelis, V Mezaris
Proceedings of the 23rd ACM international conference on Multimedia, 1219-1222, 2015
72015
Video event recounting using mixture subclass discriminant analysis
N Gkalelis, V Mezaris, I Kompatsiaris, T Stathaki
Image Processing (ICIP), 2013 20th IEEE International Conference on, 4372-4376, 2013
72013
Sparse human movement representation and recognition
N Gkalelis, A Tefas, I Pitas
2008 IEEE 10th Workshop on Multimedia Signal Processing, 165-169, 2008
62008
Objectgraphs: using objects and a graph convolutional network for the bottom-up recognition and explanation of events in video
N Gkalelis, A Goulas, D Galanopoulos, V Mezaris
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern …, 2021
52021
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Articles 1–20