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参数平面二叉树剖分网格简化

DOI: 10.11834/jig.20060114

Keywords: 网格简化,参数化,曲率

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Abstract:

为了快速地对3维网格模型进行简化,提出了一种曲率自适应的3维网格简化算法,该算法首先将原始网格投影至参数平面上,并构造反映原始网格曲率分布的平面曲率灰度分布,用以表征简化过程中对网格各部分不同的采样密度要求;然后根据等曲率灰度分割的原则来对参数平面进行二叉树剖分,以构造反映其不均匀分布的非均衡二叉树结构,并依此选取简化后的网格顶点集合,以构造简化的三角网格.该算法的优点是执行速度快,同时在简化过程中仍能充分保持原始网格的细节.

References

[1]  Floater M S.Parameterization and smooth approximation of surface triangulations [J].Computer Aided Geometric Design,1997,14(3):231 ~250.
[2]  GU Xian-feng,Gortler J,Hoppe H.Geometry images [ A ].In:Proceedings of ACM SIGGRAPH[C].Antonio,Texas,USA,2002:355 ~361.
[3]  Meyer Mark,Desbrun Mathieu,Schroder Peter.Discrete differentialgeometry operatorsfor 2-manifold [ EB/OL ].http://Multires.caltech.edu/pubs/diffGeoOps.pdf,2000.
[4]  Hormann K.MIPS:An efficient global parameterization method [ M ].St.Malo,France:Vanderbilt University Press,1999:153 ~ 162.
[5]  Sander P,Wood Z,Gortler J,et al.Multi-chartgeometry images[A].In:Proceedings of the 1st Symposium on Geometry Processing[C],Aachen,Germany,2003:138 ~ 145.
[6]  Lee Aaron,Sweldens Wim,Schorder Peter.MAPS:Multiresolution Adaptive Parameterization of Surfaces[ A ].In:Proceedings of ACM SIGGRAPH[ C].Orlando,Florida,USA,1998:95 ~ 104.

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