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Variational implicit surface meshing

机译:变分隐式曲面网格划分

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摘要

In this paper, we propose a new algorithm to mesh implicit surfaces which produces meshes both with a good triangle aspect ratio as well as a good approximation quality. The number of vertices of the output mesh is defined by the end-user. For this goal, we perform a two-stage processing: an initialization step followed by an iterative optimization step. The initialization step consists in capturing the surface topology and allocating the vertex budget. The optimization algorithm is based on a variational vertices relaxation and triangulation update. In addition a gradation parameter can be defined to adapt the mesh sampling to the curvature of the implicit surface. We demonstrate the efficiency of the approach on synthetic models as well as real-world acquired data, and provide comparisons with previous approaches.
机译:在本文中,我们提出了一种对隐式曲面进行网格划分的新算法,该算法可生成具有良好的三角形长宽比和良好的近似质量的网格。输出网格的顶点数由最终用户定义。为此,我们执行两个阶段的处理:初始化步骤,然后是迭代优化步骤。初始化步骤包括捕获表面拓扑并分配顶点预算。优化算法基于变分顶点松弛和三角剖分更新。另外,可以定义渐变参数以使网格采样适应隐式曲面的曲率。我们在综合模型和实际获得的数据上论证了该方法的效率,并与以前的方法进行了比较。

著录项

  • 来源
    《Computers & Graphics》 |2009年第3期|312-320|共9页
  • 作者单位

    Biomedical Imaging Laboratory, Singapore Biolmaging Consortium. Biopolis, Singapore Department of Systems Biology, Harvard Medical School, Boston, MA USA;

    CREATIS-LRMN, University of Lyon, INSA-Lyon, CNRS UMR5220, Inserm U630, France;

    CREATIS-LRMN, University of Lyon, INSA-Lyon, CNRS UMR5220, Inserm U630, France;

    Biomedical Imaging Laboratory, Singapore Biolmaging Consortium. Biopolis, Singapore;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    implicit surface; meshing; variational approach; restricted delaunay;

    机译:隐式表面啮合变化方法限制德劳内;

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