利用OpenCV对视频进行处理，尝试打开本电脑上的摄像头作为视频输入设备，或者将命令行的输入参数作为文件名来打开的视频文件。不管是哪一种方法，最后都是不断的循环处理一帧一帧地处理，涉及到的图像处理有背景擦除，平滑滤波，二值化等。-Using OpenCV to process the video, try to open the computer input device as a video camera, or the command line input parameters as the file name to open the video file. Whatever the method, the last cycle of treatment are continuously fr a me by fr a me to process, involving a background erase the image processing, filtering, binarization and so on.