IMPROVED SEARCHING BOX METHOD FOR EXTRACTING BOUNDARY FROM UNHOMOGENEOUS MEASURED POINT CLOUD
Reports an improved searching box method for extracting boundary from unhomogeneous point cloud measured on the surfaces of complex mechanical parts in order to construct numeric geometry model, which is the key for reverse engineering. Discrete points are assigned into searching boxes. The searching boxes locating at the boundary are searched in manner of circulation. The points in them are linked into a boundary point chain table. Finally, the obtained boundary points are further optimized to make the generated boundary clearer. Detailed algorithm is explained together with corresponding implementation and particular examples. The weight selecting, searching path, and boundary correction are described. This method has advantages over traditional searching box method in that, it is more suitable for treating totally unhomogeneous, amorphous and messy point set and is more universal.
point cloud boundary extracting searching box reverse engineering
Lianqing Zhu Panyi Wang Qingshan Chen Zhikang Pan Yangkuan Guo
School of Optoelectronic Information and Telecommunication Engineering,Beijing Information Science & School of Optoelectronic Information and Telecommunication Engineering,Beijing Information Science & School of Optoelectronic Information and Telecommunication Engineering,Beijing Information Science &
国际会议
北京
英文
232-235
2010-11-23（万方平台首次上网日期，不代表论文的发表时间）