在Matlab上基于Hough变换开发的快速圆检测方法，可应用到虹膜图象的检测中，完成对虹膜内、外边缘的定位。 -in Matlab Hough transform based on the rapid development of a round detection method can be applied to the detection of iris image, the completion of the iris, outside edge positioning.

通过区域分裂和合并对图像区域完成分裂合并的算法-Through the regional division and the completion of the merger on the image region splitting and merging algorithm