此程序是基于哈夫变换的一个圆形检测程序，给定检测边界和半径估计值的范围，此程序能返回圆在图片中的圆心坐标和半径大小。-This program is based on the Hough transform of a circular testing procedures, testing boundaries and radius of a given range of estimates, this procedure can return to the center of the circ