该系统是为了实现对一系列图片中运动物体的跟踪而设计的，它通过对一系列图片的处理，提取出图片背景，识别出运动物体，进而对运动物体进行跟踪，得到物体运动的轨迹-the system is to achieve a series of pictures tracking moving objects designed, it adopted a series of pictures, photographs extracted background to identify moving objects