该方法可以用于复制场景的视频检测监控，采用灰度投影算法匹配进行全局运动估计和补偿，用以消除背景变化的影响；二次对称差分算法，用数学形态学对图像进行处理，该方法不受光线，摄像机抖动，场景等变化的干扰影响，具有较强的实时性，效果不错！-This method can be used to copy the scene of the video inspection and monitoring, using gray-scale projection algorithm to match the global motion estimation and compensation, to eliminate the background change　second symmetric difference algorithm, using mathematical morphology image processing, the method not light, camera shake, scene changes and other disturbances, has a strong real-time, good results!