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Camera compensation using feature projection matrix for person re-identification
Yimin Wang; Ruimin Hu; Chao Liang; Chunjie Zhang; Qingming Leng
Source PublicationIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY
2014
Volume24Issue:8Pages:1350-1361
AbstractMatching individuals within a group of spatially
nonoverlapping surveillance cameras, also known as person
reidentification, has recently attracted a lot of research interest.
Current methods mainly focus on feature representation
or distance measure, which directly compare person images
captured by different cameras. However, it is still a problem
because of various surveillance conditions; for example, view
switching, lighting variations, and image scaling. Although the
brightness transfer function was proposed to address the problem
of illumination variation, it could not handle view and scale
changes among various cameras. In this paper, we propose a
new approach to compensate for the inconsistency of feature
distributions of person images captured by different cameras.
More precisely, a feature projection matrix (FPM) is learned to
project image features of one camera to the feature space of
another camera, from which the latent device difference can
be effectively eliminated for the person reidentification task.
In particular, we formulate the FPM learning as a smooth
unconstrained convex optimization problem and use a simple gradient
descent algorithm with stochastic samples to accelerate the
solving process. Extensive comparative experiments conducted
on three standard datasets have shown the promising prospect
of the proposed method.
KeywordFeature Projection Matrix Nonoverlapping Camera Tracking Person Reidentification
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15391
Collection类脑智能研究中心
Recommended Citation
GB/T 7714
Yimin Wang,Ruimin Hu,Chao Liang,et al. Camera compensation using feature projection matrix for person re-identification[J]. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY,2014,24(8):1350-1361.
APA Yimin Wang,Ruimin Hu,Chao Liang,Chunjie Zhang,&Qingming Leng.(2014).Camera compensation using feature projection matrix for person re-identification.IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY,24(8),1350-1361.
MLA Yimin Wang,et al."Camera compensation using feature projection matrix for person re-identification".IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 24.8(2014):1350-1361.
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