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Authors: Mohamed Ibn Khedher ; Mounim A. El-Yacoubi and Bernadette Dorizzi

Affiliation: Institut TELECOM: TELECOM SudParis, France

Keyword(s): Action recognition, Feature discriminative power, Temporal correlation.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Feature Selection and Extraction ; Graphical and Graph-Based Models ; Image and Video Analysis ; Image Understanding ; Pattern Recognition ; Shape Representation ; Software Engineering ; Theory and Methods ; Video Analysis

Abstract: This paper presents an alternative to the mainstream approach of STIP-based SVM recognition for human recognition. First, it studies whether or not whole silhouette representation by Histogram-of-Oriented-Gradients (HOG) or Histogram-of-Optical-Flow (HOF) descriptors is more discriminated when compared to sparse spatio-temporal interest points (STIPs). Second, it investigates whether explicitly modeling the temporal order of features using continuous HMMs outperforms the standard Bag-of-Words (BoW) representation that overlooks such an order. When both whole silhouette representation and temporal order modeling are combined, a significant improvement is shown on the Weizmann database over STIP-based SVM recognition.

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Paper citation in several formats:
Ibn Khedher, M.; A. El-Yacoubi, M. and Dorizzi, B. (2012). HUMAN ACTION RECOGNITION USING CONTINUOUS HMMS AND HOG/HOF SILHOUETTE REPRESENTATION. In Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM; ISBN 978-989-8425-99-7; ISSN 2184-4313, SciTePress, pages 503-508. DOI: 10.5220/0003695905030508

@conference{icpram12,
author={Mohamed {Ibn Khedher}. and Mounim {A. El{-}Yacoubi}. and Bernadette Dorizzi.},
title={HUMAN ACTION RECOGNITION USING CONTINUOUS HMMS AND HOG/HOF SILHOUETTE REPRESENTATION},
booktitle={Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM},
year={2012},
pages={503-508},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003695905030508},
isbn={978-989-8425-99-7},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM
TI - HUMAN ACTION RECOGNITION USING CONTINUOUS HMMS AND HOG/HOF SILHOUETTE REPRESENTATION
SN - 978-989-8425-99-7
IS - 2184-4313
AU - Ibn Khedher, M.
AU - A. El-Yacoubi, M.
AU - Dorizzi, B.
PY - 2012
SP - 503
EP - 508
DO - 10.5220/0003695905030508
PB - SciTePress

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