本程序用来读取一段视频，并将其每一帧以图片形式保存在指定文件夹中，为后续图像处理做准备，同时包括将一系列图像生成视频的功能。-This procedure used to read a video, and each frame in the form of images stored in the specified folder, in preparation for the subsequent image processing, including a series of images