用hough变换检测椭圆，圆等相关文件，大家可以运行试试看-Hough Transform

基于椭圆的几何性质确定椭圆的两个参数，再结合hough确定另外三个参数，实现椭圆的检测-Based on the geometric properties of the ellipse to determine the two parameters of the ellipse, and then combined with Hough to determine the other three parameters, to achieve the detection of ellipse