中文说明：
基于matlab实现对将视频以帧为单位截取为图片，用背景差分法进行比对，实现对运动目标的检测。含代码，运算结果。
English Description：
Based on MATLAB, the video is intercepted as a picture in the unit of frame, and the background difference method is used for comparison to realize the detection of moving objects. With code, operation results.