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	An Edge Detection Algorithm for Nonuniformly Illuminated Images in Finger-vein Authentication
	Ren, Hongyu ; Xu, Da ; Li, Wenxin
	2016
关键词	Biometrics Finger-vein recognition Edge detection
英文摘要	Recently, finger-vein authentication has been a rising bio-detection technique for its outstanding security, biologic maintenance, accuracy and speed. To deal with the rotation in finger-vein image, the edge of finger in the image is detected and the inclination angle is calculated. However, considering the device universally used in finger-vein authentication, in order to detect finger-veins more clearly and get more features, illumination is not evenly distributed, so the conventional edge detection methods are affected by different illuminative backgrounds of the finger. Therefore, a new simple but effective edge detection algorithm specially designed for finger-vein authentication is proposed and evaluated in this paper. Experiments based on 5,000 finger-vein images show that the proposed algorithm provides higher accuracy than conventional methods.; CPCI-S(ISTP); rhy@pku.edu.cn; xuda1996@pku.edu.cn; lwx@pku.edu.cn; 255-262; 9967
语种	英语
出处	11th Chinese Conference on Biometric Recognition (CCBR)
DOI标识	10.1007/978-3-319-46654-5_28
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/460037]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Ren, Hongyu,Xu, Da,Li, Wenxin. An Edge Detection Algorithm for Nonuniformly Illuminated Images in Finger-vein Authentication. 2016-01-01.

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