| 基于球面投影的散乱点云三维建模算法实现与效果分析 |
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| 引用本文： | 徐秀川,花向红,龚子桢,郝旦. 基于球面投影的散乱点云三维建模算法实现与效果分析[J]. 测绘工程, 2011, 20(3): 5-8 |
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| 作者姓名： | 徐秀川 花向红 龚子桢 郝旦 |
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| 作者单位： | 武汉大学测绘学院;武汉大学灾害监测与防治研究中心; |
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| 基金项目： | 国家自然科学基金资助项目(40901214); 精密工程与工业测量国家测绘局重点实验室开放基金资助项目(PF2009-2) |
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| 摘 要： | 介绍基于球面投影的散乱点云三维建模算法步骤,运用VC++编程语言结合OpenGL图形接口实现该算法,并结合实例说明球面投影法相对于圆柱面投影法、椭球面投影法在三维建模中的优势.
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| 关 键 词： | 球面投影法 散乱点云 Delaunay三角网 三维建模 |
The implementation algorithm of three-dimensional modeling to point cloud based on spherical surface projection and effect analysis |
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| XU Xiu-chuan,HUA Xiang-hong,GONG Zi-zhen,HAO Dan. The implementation algorithm of three-dimensional modeling to point cloud based on spherical surface projection and effect analysis[J]. Engineering of Surveying and Mapping, 2011, 20(3): 5-8 |
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| Authors: | XU Xiu-chuan HUA Xiang-hong GONG Zi-zhen HAO Dan |
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| Affiliation: | XU Xiu-chuan1,2,HUA Xiang-hong1,GONG Zi-zhen1,HAO Dan1,2 (1.School of Geodesy and Geomatics,Wuhan University,Wuhan 430079,China,2.Research Center for Hazard Monitoring and Prevention,China) |
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| Abstract: | The algorithm of three-dimensional modeling to point cloud based on spherical surface projection is introduced in the paper,and the algorithm is achieved through the application of VC++ combining graphical interfaces OpenGL,and the superiority of spherical projection methods against the cylindrical projection methods and ellipsoidal projection methods is demonstrated by instance. |
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| Keywords: | spherical projection methods point cloud Delaunay triangulation network three-dimensional modeling |
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