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GII Representation-Based Cross-View Gait Recognition by Discriminative Projection With List-Wise Constraints
Zhaoxiang Zhang; Jiaxin Chen; Qiang Wu; Ling Shao
Source PublicationIEEE Transactions on Cybernetics
2017
VolumeppIssue:99Pages:1-13
AbstractRemote person identification by gait is one of the most important topics in the field of computer vision and pattern recognition. However, gait recognition suffers severely from the appearance variance caused by the view change. It is very common that gait recognition has a high performance when the view is fixed but the performance will have a sharp decrease when the view variance becomes significant. Existing approaches have tried all kinds of strategies like tensor analysis or view transform models to slow down the trend of performance decrease but still have potential for further improvement. In this paper, a discriminative projection with list-wise constraints (DPLC) is proposed to deal with view variance in cross-view gait recognition, which has been further refined by introducing a rectification term to automatically capture the principal discriminative information. The DPLC with rectification (DPLCR) embeds list-wise relative similarity measurement among intraclass and inner-class individuals, which can learn a more discriminative and robust projection. Based on the original DPLCR, we have introduced the kernel trick to exploit nonlinear cross-view correlations and extended DPLCR to deal with the problem of multiview gait recognition. Moreover, a simple yet efficient gait representation, namely gait individuality image (GII), based on gait energy image is proposed, which could better capture the discriminative information for cross view gait recognition. Experiments have been conducted in the CASIA-B database and the experimental results demonstrate the outstanding performance of both the DPLCR framework and the new GII representation. It is shown that the DPLCR-based cross-view gait recognition has outperformed the-state-of-the-art approaches in almost all cases under large view variance. The combination of the GII representation and the DPLCR has further enhanced the performance to be a new benchmark for cross-view gait recognition.
KeywordCross-view Gait Recognition Discriminative Projection Gait Individuality Image List-wise Constraints
WOS IDWOS:000444827200014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/20436
Collection类脑智能研究中心
Recommended Citation
GB/T 7714
Zhaoxiang Zhang,Jiaxin Chen,Qiang Wu,et al. GII Representation-Based Cross-View Gait Recognition by Discriminative Projection With List-Wise Constraints[J]. IEEE Transactions on Cybernetics,2017,pp(99):1-13.
APA Zhaoxiang Zhang,Jiaxin Chen,Qiang Wu,&Ling Shao.(2017).GII Representation-Based Cross-View Gait Recognition by Discriminative Projection With List-Wise Constraints.IEEE Transactions on Cybernetics,pp(99),1-13.
MLA Zhaoxiang Zhang,et al."GII Representation-Based Cross-View Gait Recognition by Discriminative Projection With List-Wise Constraints".IEEE Transactions on Cybernetics pp.99(2017):1-13.
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