During the process of virtual campus walkthrough, collision detection is the vital interaction base between dynamic object and static object or among the dynamic objects.
在虚拟校园系统漫游过程中，虚拟场景漫游的动态物体与静态物体之间或者动态物体与动态物体之间的交互基础就是碰撞检测。
In this paper, the methods of moving object detection in static and dynamic scene are studied deeply, especially the dynamic scene.
本文首先对适应于静态背景和动态背景的各种检测算法的原理进行了总结介绍。
Secondly, three main algorithms of motion detection under a dynamic background are researched. The project of moving object detection based on matching feature point are proposed.
然后介绍了动态背景下运动目标检测的三种算法，针对特征点匹配方法检测运动目标的有关问题，提出了动态背景下运动目标检测方案。
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