Technology of freeform surface reconstruction from laser scanning point cloud based on non-uniform B-spline

被引：0
|
作者：
Guo Yingfu [1 ]
Jiang Zhuangde [1 ]
Wang Xiaoqiang [1 ]
Li Bing [1 ]
机构：
[1] Xi An Jiao Tong Univ, Inst Precis Engn, Xian 710049, Shaanxi, Peoples R China
来源：
THIRD INTERNATIONAL SYMPOSIUM ON PRECISION MECHANICAL MEASUREMENTS, PTS 1 AND 2 | 2006年 / 6280卷
基金：
中国国家自然科学基金;
关键词：
reverse engineering; surface reconstruction; laser scanning;
D O I：
10.1117/12.716206
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The point cloud data on a scanning line from laser scanning system has the same value in one dimension. According to this characteristic, an algorithm of surface reconstruction based on non-uniform B-spline is put forward. For the pre-processing of the original point cloud, the points that don't belong to the surface are deleted, and the methods of splitting, sorting and slicing are used. The least square non-uniform B-spline is used to smooth and interpolate the data of the section point cloud, then the data of reconstructed surface can be achieved after a secondary sampling. An example of the rearview mirror of motorcycle is given to testify that the method is effectual and feasible.
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页数：6
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