连接上摄像头，可以对摄像头的各个性能进行设定，还可以通过帧间差分与自适应背景的算法对运动的目标检测，还可以采集单帧图像进行保存-Connect the camera, the camera can set the various properties, but also through the inter-fr a me difference algorithm and adaptive background of the movement target detection, acquisiti