中文说明：基于Hough变换的人眼虹膜定位方法,对文件中提供的眼睛图片的基础上，再提取效果较好。但是对于整个人，来定位，会出现死机，在人脸眼部已定位的基础上，在进行虹膜定位。
English Description：
Human iris localization method based on Hough transform file provided on the basis of eye picture, then extract better. But for the people, to locate, it will crash, on the basis of face eye has been positioned on the iris during positioning.