网上很多opencv的帧差法资料，但是大都直接调用视频，或者调用摄像头，调用文件夹下的图片库的资料比较少，通过网上整理资料，终于利用opencv按照帧来处理图片。

使用opencv批量读取文件夹下的视频帧批量读取图片；

使用opencv批量读取图片，二帧差分法二帧差法；(There are many opencv frame difference data on the Internet, but most of them call the video directly or call the camera. The data of the picture library under the folder is relatively small. By finishing the data online, opencv is finally processed according to the frame.



Use OpenCV to batch read the video frame under the folder to read the picture in batch.



Using OpenCV to read pictures in batch, two frame difference method and two frame difference method;)