外国一个大学生做了一个精确定位系统，这个系统几乎可以跟踪镜头里的任何物体。只要你能看见它，并把它选中。有兴趣的同学可以下载我传上来的源文件...是用matlab写的...demo文件也在里面 -A foreign university students made a precise positioning system that can track almost any object lens. As long as you can see it, and to select it. Int