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Authors: Yingying Liu and Arcot Sowmya

Affiliation: The University of New South Wales, Australia

Keyword(s): Action Recognition, Action Description, Temporal Pyramid Histograms.

Related Ontology Subjects/Areas/Topics: Applications ; Classification ; Computer Vision, Visualization and Computer Graphics ; Feature Selection and Extraction ; Human-Computer Interaction ; Image and Video Analysis ; Information Retrieval and Learning ; Learning of Action Patterns ; Methodologies and Methods ; Motion and Tracking ; Motion, Tracking and Stereo Vision ; Pattern Recognition ; Physiological Computing Systems ; Software Engineering ; Theory and Methods ; Video Analysis

Abstract: In this paper, we present an approach to action description based on temporal pyramid histograms. Bag of features is a widely used action recognition framework based on local features, for example spatio-temporal feature points. Although it outperforms other approaches on several public datasets, sequencing information is ignored. Instead of only calculating the occurrence of code words, we also encode their temporal layout in this work. The proposed temporal pyramid histograms descriptor is a set of histogram atoms generated from the original video clip and its subsequences. To classify actions based on the temporal pyramid histograms descriptor, we design a function to calculate the weights of the histogram atoms according to the corresponding sequence lengths. We test the descriptor using nearest neighbour for classification. Experimental results show that, in comparison to the state-of-the-art, our description approach improves action recognition accuracy.

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Paper citation in several formats:
Liu, Y. and Sowmya, A. (2014). Human Action Description Based on Temporal Pyramid Histograms. In Proceedings of the 3rd International Conference on Pattern Recognition Applications and Methods - ICPRAM, ISBN 978-989-758-018-5; ISSN 2184-4313, pages 629-636. DOI: 10.5220/0004825206290636

@conference{icpram14,
author={Yingying Liu. and Arcot Sowmya.},
title={Human Action Description Based on Temporal Pyramid Histograms},
booktitle={Proceedings of the 3rd International Conference on Pattern Recognition Applications and Methods - ICPRAM,},
year={2014},
pages={629-636},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004825206290636},
isbn={978-989-758-018-5},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Pattern Recognition Applications and Methods - ICPRAM,
TI - Human Action Description Based on Temporal Pyramid Histograms
SN - 978-989-758-018-5
IS - 2184-4313
AU - Liu, Y.
AU - Sowmya, A.
PY - 2014
SP - 629
EP - 636
DO - 10.5220/0004825206290636

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