Presentation 2012-02-09
Gait identification robust to changes in observation angle
Yumi IWASHITA, Ryosuke BABA, Koichi OGAWARA, Ryo KURAZUME,
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Abstract(in English) In person identification using gait images, various inherent image features of individuals are extracted from a sequence of gait images taken by a camera. However, for instance, if the subject is close to the camera and the camera captures gait images from the side direction, observation angles between walking direction of the subject and directions of the camera to the subject at all frames are varied during one gait cycle. This unfavorable change induces the decrease of the identification performance. So in this paper, we propose a novel gait identification technique which is robust to changes in observation angle in one gait cycle. The proposed technique utilizes a 4D gait database consisting of multiple 3D shape models of walking subjects and adaptive virtual image synthesis. Experiments using the 4D gait database of 21 subjects show that the proposed method is robust to the changes of the observation angles in one walking cycle and achieves higher recognition performance than the case using a fixed observation angle in one gait cycle. Besides, experimental results show the feasibility of identifying people walking on curved trajectories.
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Keyword(in English) Person identification / gait / curved trajectories / 4D gait database / affine moment invariants
Paper # PRMU2011-197,SP2011-112
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Committee SP
Conference Date 2012/2/2(1days)
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Registration To Speech (SP)
Language JPN
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Title (in English) Gait identification robust to changes in observation angle
Sub Title (in English)
Keyword(1) Person identification
Keyword(2) gait
Keyword(3) curved trajectories
Keyword(4) 4D gait database
Keyword(5) affine moment invariants
1st Author's Name Yumi IWASHITA
1st Author's Affiliation Information Science and Electrical Engineering, Kyushu University:Jet Propulsion Laboratory()
2nd Author's Name Ryosuke BABA
2nd Author's Affiliation Information Science and Electrical Engineering, Kyushu University
3rd Author's Name Koichi OGAWARA
3rd Author's Affiliation Faculty of Systems Engineering, Wakayama University
4th Author's Name Ryo KURAZUME
4th Author's Affiliation Information Science and Electrical Engineering, Kyushu University
Date 2012-02-09
Paper # PRMU2011-197,SP2011-112
Volume (vol) vol.111
Number (no) 431
Page pp.pp.-
#Pages 6
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