本程序 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。 -The program tries to open the camera on the computer as a video input device, or the command line input parameter as the file name to open the video file. No matter what kind of method, the last is a continuous cycle processing a deal that involves erasing the background image processing, filtering, binarization.