用普通usb接口摄像头，摄像并与第一帧图形做差，可以编辑二值化的值-Usb interface with the ordinary camera, video and graphics to do with the difference between the first frame, you can edit the binary values

运用OpenCV2.0编辑混合高斯背景建模，能够较好的识别四个视频中的运动前景和背景，在一定程度的背景复杂度下，能够较准确检测。-The use OpenCV2.0 edit Gaussian mixture background modeling, and better identification of four video movement in the foreground and background, the background of a certain degree of com

用于OPENCV等摄像头标定的棋盘格，，可以自由编辑word-OPENCV etc. for camera calibration checkerboard, you can freely edit word