全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

一种非理想采集条件下的虹膜定位算法*

, PP. 675-680

Keywords: 虹膜定位,径向对称变换,非理想采集条件,圆周差分

Full-Text   Cite this paper   Add to My Lib

Abstract:

对于理想采集条件下得到的虹膜图像,现有的虹膜定位算法具有很好的定位效果.但在实际应用中,虹膜图像的采集容易受到诸如光照不均、睫毛、头发和眼镜等因素的干扰,从而引起定位的错误.针对这种非理想采集条件下得到的虹膜图像,提出一种基于径向对称变换的虹膜定位算法.该算法充分利用瞳孔具有的圆的径向对称特性来实现虹膜的定位.实验结果表明,本文方法能够有效避免由于光照不均等非理想采集条件带来的干扰,实现虹膜的准确定位,并且具有良好的鲁棒性和实时性.

References

[1]  Daugman J G. High Confidence Visual Recognition of Persons by a Test of Statistical Independence. IEEE Trans on Pattern Analysis and Machine Intelligence, 1993, 15(11): 1148-1161
[2]  Daugman J G. How Iris Recognition Works. IEEE Trans on Circuits and Systems for Video Technology, 2004, 14(1): 21-30
[3]  Ma Li, Tan Tieniu, Wang Yunhong, et al. Personal Identification Based on Iris Texture Analysis. IEEE Trans on Pattern Analysis and Machine Intelligence, 2003, 25(12): 1519-1533
[4]  Ma Li, Tan Tieniu, Wang Yunhong, et al. Efficient Iris Recognition by Characterizing Key Local Variations. IEEE Trans on Image Processing, 2004, 13(6): 739-750
[5]  Wildes R P, Asmuth J C, Green G L, et al. A System for Automated Iris Recognition // Proc of the 2nd IEEE Workshop on Applications of Computer Vision. Sarasota, USA, 1994: 121-128
[6]  Loy G, Zelinsky A. Fast Radial Symmetry for Detecting Points of Interest. IEEE Trans on Pattern Analysis and Machine Intelligence, 2003, 25(8): 959-973
[7]  Ye Xueyi, Zhuang Zhenquan, Yao Peng, et al. Iris Localization Based on Two-Dimensional Projection. Journal of Image and Graphics, 2005, 10(3): 305-309 (in Chinese) (叶学义,庄镇泉,姚 鹏,等.基于二维投影的虹膜定位.中国图象图形学报, 2005, 10(3): 305-309)
[8]  Yao Peng, Ye Xueyi, Zhuang Zhenquan, et al. A New Algorithm for Iris Image Preprocessing. Journal of University of Science and Technology of China, 2006, 36(8): 806-811 (in Chinese) (姚 鹏,叶学义,庄镇泉,等.一种新颖的虹膜图像预处理算法.中国科学技术大学学报, 2006, 36(8): 806-811)
[9]  Institute of Automation, Chinese Academy of Sciences. Iris Database CASIA (ver1.0) [DB/OL].
[10]  . http://www.sinobiometrics.com (in Chinese) (中国科学院自动化所.CASIA虹膜图像数据库(ver1.0) [DB/OL].
[11]  . http://www.sinobiometrics.com)
[12]  Center for Biometrics Research and Testing. The 1st Biometrics Verification Competition [DB/OL].[200406]. http://www.sinobiometrics.com/sinobiometrics'04.htm (in Chinese) (中国科学院自动化研究所生物特征认证与评测中心.第1届中国生物特征识别竞赛[DB/OL].[200406]. http://www.sinobiometrics.com/sinobiometrics'04.htm)
[13]  Automatic Identification manufacture Association of China. The 2nd Biometrics Authentication Competition [DB/OL]. [200506]. http://www.sinobiometrics.com/sinobiometrics'05.htm (in Chinese) (中国自动识别技术协会. 第2届生物特征识别竞赛[DB/OL].[200506]. http://www.sinobiometrics.com/sinobiometrics'05.htm)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133