利用霍夫变换找出圆,输出圆心坐标.比较不错的代码,值得学习.(Hof transform is used to find the circle and output the coordinate of the center of the circle.)

此代码为霍夫变换找圆,检测提取圆，可以通过单片机验证(This code for the Huff transform find a circle, detection extraction circle, can be verified by the microcontroller)