对视频序列中的运动目标进行检测与跟踪，动目标检测部分采用背景差分法，跟踪部分采用卡尔曼滤波，检测结果用红色外接矩形框表示，跟踪结果用绿色矩形框表示 2、采用平均背景法更新背景图像。(The moving target in the video sequence is detected and tracked, the moving target detection part uses the background difference method, the tracking part uses the Calman filter, the detection result is represented by the red outer rectangle fr a me, the tracking result is represented by the green rectangle fr a me 2, and the back view is updated with the average background method.)