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Authors: Manuela Ichim 1 ; Robby T. Tan 2 ; Nico van der Aa 3 and Remco Veltkamp 2

Affiliations: 1 University Politehnica of Bucharest, Romania ; 2 Utrecht University, Netherlands ; 3 Noldus Information Technology BV, Netherlands

Keyword(s): Human Body Orientation, Neural Network, Support Vector Machine, Gaussian Mixture Models, PCA, Supervised Learning.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Motion, Tracking and Stereo Vision ; Video Surveillance and Event Detection

Abstract: Human body orientation estimation is useful for analyzing the activities of a single person or a group of people. Estimating body orientation can be subdivided in two tasks: human tracking and orientation estimation. In this paper, the second task of orientation estimation is accomplished by using HoG descriptors and other cues such as the velocity direction, the presence of face, and temporal smoothness. Three different classifiers: Gaussian Mixture Model, Neural Network and Support Vector Machine, are combined with the information from those cues to form a committee. The performance of the method is evaluated and the contribution to the final prediction of each classifier is assessed. Overall, the performance of the proposed approach outperforms the state-of-the-art method, both in terms of estimation accuracy, as well as computation time.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Ichim, M.; T. Tan, R.; van der Aa, N. and Veltkamp, R. (2014). Human Body Orientation Estimation using a Committee based Approach. In Proceedings of the 9th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2014) - Volume 3: VISAPP; ISBN 978-989-758-009-3; ISSN 2184-4321, SciTePress, pages 515-522. DOI: 10.5220/0004673805150522

@conference{visapp14,
author={Manuela Ichim. and Robby {T. Tan}. and Nico {van der Aa}. and Remco Veltkamp.},
title={Human Body Orientation Estimation using a Committee based Approach},
booktitle={Proceedings of the 9th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2014) - Volume 3: VISAPP},
year={2014},
pages={515-522},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004673805150522},
isbn={978-989-758-009-3},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 9th International Conference on Computer Vision Theory and Applications (VISIGRAPP 2014) - Volume 3: VISAPP
TI - Human Body Orientation Estimation using a Committee based Approach
SN - 978-989-758-009-3
IS - 2184-4321
AU - Ichim, M.
AU - T. Tan, R.
AU - van der Aa, N.
AU - Veltkamp, R.
PY - 2014
SP - 515
EP - 522
DO - 10.5220/0004673805150522
PB - SciTePress