基于opencv编的边缘检测的程序，里面有怎么读入图片，灰度化，边缘检测，效果不错。应用时边缘检测系数自己调成适合自己的对象。-Based on the the opencv series of edge detection program, which how to read into the picture, gray, edge detection, the effect is good. The application of edge detection coefficient tune