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	PDSS: Patch-descriptor-similarity space for effective face verification
	Zhai, Xiaohua ; Peng, Yuxin ; Xiao, Jianguo
	2012
英文摘要	In this paper, we propose the Patch-Descriptor-Similarity Space (PDSS) for unconstrained face verification, which is challenging due to image variations in pose, lighting, facial expression, and occlusion. Our proposed PDSS considers jointly patch, descriptor and similarity measure, which are ignored by the existing work. PDSS is extremely effective for face verification because each axis of PDSS will boost each other and could maximize the effect of every axis. Each point in PDSS reflects a distinct partial-matching between two facial images, which could be robust to variations in the facial images. Moreover, by selecting the discriminating point subset from PDSS, we could describe accurately the characteristic similarities and differences between two facial images, and further decide whether they represent the same person. In PDSS, each axis can describe effectively the distinct features of the faces: each patch (the first axis) reflects a distinct trait of a face; the descriptor (the second axis) is used to describe such face trait; and the similarity between two features can be measured by a certain kind of similarity measure (the third axis). The experiment adopts the extensively-used Labeled Face in the Wild (LFW) unconstrained face recognition dataset (13K faces), and our proposed PDSS approach achieves the best result, compared with the state-of-the-art methods. ? 2012 ACM.; EI; 0
语种	英语
DOI标识	10.1145/2393347.2396357
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/321396]
专题	计算机科学技术研究所
推荐引用方式 GB/T 7714	Zhai, Xiaohua,Peng, Yuxin,Xiao, Jianguo. PDSS: Patch-descriptor-similarity space for effective face verification. 2012-01-01.

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