初学opencv时对照学习资料写的鼠标画方形的小程序-Opencv beginners a contrast study material write mouse painting square small program

在opencv中用鼠标事件来对自己感兴趣区域进行提取-Opencv with mouse events to their own region of interest extraction

OpenCV中文参考手册.chm,本文档来源于OpenCV中文网站,常用的标准图 图像文件读入和显示 图像创建、保存和复制 Canny边缘检测 Canny边缘检测2 轮廓(contour)检测 轮廓(contour)检测2 图像旋转与缩放 读视频文件和运动问题检测 Hough线段检测 鼠标绘图 -OpenCV Chinese reference manual. Chm, this document comes from OpenCV C