求图像中某一区域的质心 读入图像 求二值化的阈值 显示二值化图像 标注二进制图像中已连接的部分 用于记录质心位置的坐标 求质心(centroid Seeking the centroid of a region in the image Read into the image Two valued thresholds display two valued images Tagging the connected parts of a binary image Coordi