In this thesis we summarize the main approaches for surface reconstruction, study the problem of boundary detection for point clouds, and propose a new algorithm based on regular space subdivision.
本文在总结曲面重建主流算法的基础上，对点云的边界检测问题进行了研究，提出了一种基于空间正规分割的边界检测新算法。
Then it introduces the envelopment-box technology and space subdivision technology of accelerate rays.
同时介绍了加速光线求交的包围盒技术和空间剖分技术。
The algorithm builds BoxTreees of arbitrary non convex polyhedra using a hierarchical adaptive space subdivision scheme, and speeds up collision detection by traversing the BoxTrees in parallel.
该算法面向动态复杂场景采用层次的自适应空间剖分方法建构物体的平衡包围盒树，然后通过并行遍历包围盒树来加速碰撞检测。
Chapter Three: a Boundary Detection Algorithm Based on Regular Space Subdivision.
第三章：基于空间正规分割的边界检测算法。
Chapter Three: a Boundary Detection Algorithm Based on Regular Space Subdivision.
第三章：基于空间正规分割的边界检测算法。
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