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《Journal of University of Electronic Science and Technology of China》 2002-01
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A Iris location Algorithm

Li Qingrong Ma Zheng (Inst. Of Electronic Eng., Inst. of Communication Eng. And Information Eng., UEST of China Chengdu 610054)  
A two-step iris location approach combining coarse location and fine location is presented to ameliorate the limitation of the existing iris location algorithm. First, the gray scale projection approach is used for estimating the edge of iris. Then precisely locating iris抯 edge with circular edge template. Experiment shows that this method can overcome the difficulties that the existing iris location algorithm likely to encounter if required to deal with images that contain broader regions of surrounding face than the immediate eye region.
【Fund】: 总装备部预研基金资助项目
【CateGory Index】: TP391.4
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