提取中心圆形
dev_close_window () //关闭窗体 dev_open_window (0, 0, 512, 512, ‘black‘, WindowHandle) //打开窗体，位置、大小、颜色、句柄 read_image (Image1, ‘C:/Users/Jv/Desktop/1.jpg‘) //打开已有图像 rgb1_to_gray (Image1, GrayImage) //彩色转灰度图 invert_image (GrayImage, ImageInvert1) //反色，感兴趣区域最好是亮色 threshold (ImageInvert1, Regions, 65, 245) //阈值分割，二值化 connection (Regions, ConnectedRegions) //连通域识别 select_shape (ConnectedRegions, SelectedRegions, ‘area‘, ‘and‘, 10623.9, 20000) //选择感兴趣的连通域 area_center (SelectedRegions, Area, Row, Column) //获取中心圆的面积、圆心坐标 disp_message (WindowHandle, ‘面积：‘+Area+‘\n坐标：‘+Row+‘,‘+Column, ‘window‘,0, 0, ‘black‘, ‘true‘) //显示结果在左上角位置
原文：https://www.cnblogs.com/xixixing/p/10520282.html