表面重建中的三角网简化方法
Simplification Method for Triangulation Net in Surface Reconstruction
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摘要: 讨论由大量的空间散乱数据点形成的三角网的简化技术。选择删除面方法作为简化方法,介绍了三角 网简化准则和基于三角形法矢的简化权值计算方法。提出了在三角网简化过程中重新三角化的若干准则,并给 出了基于边扩张的三角网重构算法。Abstract: The simplification scheme for triangulation net formed by a lot of 3-D scattered data points is discussed. Removing faces plan is employed for the mesh simplification algorithm. Some simplification criterions of triangulation net are introduced, with the emphasis on the calculation method for the simplification weight based on the normal vector of triangles. Meanwhile, the criteria of re-triangulation during the simplification of triangulation net are put forward, and the re- triangulation method based on the side expanding is presented.
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Key words:
- reconstructed surface /
- triangulation /
- data compression
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