基于OpenCV的椭圆检测算法，通过边界处理、轮廓识别、椭圆拟合来检测椭圆，支持椭圆参数的自定义筛选-Ellipse detection algorithm based on OpenCV，Boundary treatment, contour detection, ellipse fitting，Support the custom of the ellipse parameters

利用opencv进行最小二成拟合椭圆算法代码-Using opencv least squares fitting ellipse algorithm code