摘要：
OpenCV显示视频帧时出现一个问题，就是imshow之后若是不加waitkey则无法显示，找了很久也没找到原因。只是发现也有人发现这个问题：cvWaitKey(x) / cv::waitKey(x)does two things:It waits forxmilliseconds for a key press. If a key was pressed during that time, it returns the key's ASCII code. Otherwise, it returns-1.It handles any windowing events, such as 阅读全文
