实际检测环境无法采集到完美的圆，所以Hough变换检测圆心经常存在偏差。该程序可检测不同角度，不同畸变圆的圆心，并输出其圆心坐标。利用C++实现。(The actual detection environment can not collect the perfect circle, so the Hough transform is often biased to detect the center of the circles. T