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. The program can detect the center of different angle, different distortion circle, and output its center coordinates. It is realized by C++.)