中文说明：用matlab计算图片中圆心的坐标，先进行区域分隔，打标记，再计算各个圆心的坐标，有一定的实用型
English Description：
Matlab is used to calculate the coordinates of the center of the circle in the picture. First, the area is separated, marked, and then the coordinates of each center are calculated. It has a certain practical type