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基于光线测试的点云数据与CAD模型归属处理研究

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Keywords: 自由曲面,检测,点云归属,光线测试

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Abstract:

针对非接触测量方法进行复杂型面零件数字化检测中,点云数据量大及点云与计算机辅助设计模型配准和偏差计算中存在着如何有效处理点云与测量面的归属问题,提出了采用光线测试模型确定计算机辅助设计模型的可见面。以待测计算机辅助设计模型面的采样型值点作为光源,其外法矢作为光源方向与计算机辅助设计模型进行相交测试,确定出测量可见面,然后进行点云与可见面的归属处理。试验结果证明了该方法的有效性。

References

[1]  ??ZHAN Haisheng,LI Guangxin,MA Zhixin.ACIS modeling and system development[M].Beijing:Tsinghua University Press,2002.272-280(in Chinese).[詹海生,李广鑫,马志欣.ACIS几何造型技术与系统开发[M].北京:清华大学出版社,2002.272-280.]
[2]  ??VOROS J.A strategy for repetitive neighbor finding in octree representations[J].Image and Vision Computing,2000,18(14):1085-1091.
[3]  ??SIGAL A,BERNARD C,AYELLET T.Self-customized BSP trees for collision detection[J].Computational Geometry,2000,15(1-3):91-102.
[4]  ??NINA A,MARSHALL B,DAVID E.The crust and the β-skeleton:combinatorial curve reconstruction[J].Graphical Models and Image Processing,1998,60(2):125-135.
[5]  ??HELD M.Voronoi diagrams and offset curves of curvilinear polygons.[J].Computer-Aided Design,1998,30(47):287-300.
[6]  ??KIM D S,HWANG L K,PARK B J.Representing the Voronoi diagram of a simple polygon using rational quadratic Bezier curves[J].Computer-Aided Design,1995,27(8): 605-614.
[7]  ??GIUSEPPE L,HENK M.Voronoi drawing of trees[J].Computational Geometry,2003,24(3): 147-178.
[8]  ??ANDRE A C.Analysis of three dimensional measurement data and CAD models[D].GA,USA:Georgia Institute of Technology,2001.30-80.
[9]  ??SUN Jiaguang,YANG Changgui.Computer raphics[M].Beijing:Tsinghua University Press,1995.504-518(in Chinese).[孙家广,杨长贵.计算机图形学[M].北京:清华大学出版社,1995.504-518.]

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