Semi-regular mesh extraction from volumes
Semi-regular mesh extraction from volumes
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DOI：
10.1109/visual.2000.885705
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发表时间：
2000-10
期刊：
影响因子：
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通讯作者：
Zoë J. Wood;P. Schröder;D. Breen;M. Desbrun
中科院分区：
文献类型：
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作者：
Zoë J. Wood;P. Schröder;D. Breen;M. Desbrun
提出了一种从距离体中提取等值面的新方法。它可以生成高质量的任意拓扑的半正则多分辨率网格。我们的技术分两个阶段进行。首先，在保证拓扑结构的前提下提取非常粗的网格。随后，基于力的迭代多尺度力求解器将初始网格细化为具有几何自适应采样率和良好长宽比三角形的半规则网格。粗网格的提取使用了一种新的方法，我们称之为表面波前传播。一组离散的等距带被快速构建和连接，同时尊重数据所暗示的等值面的拓扑。随后的多尺度细化由一个简单的基于力的求解器驱动，该求解器旨在通过重新参数化将良好的等值面拟合和高质量采样结合在一起。与行进立方体技术相比，我们的输出网格优雅地适应等值面几何图形，具有自然的多分辨率结构和良好的纵横比三角形，如许多示例所示。
We present a novel method to extract iso-surfaces from distance volumes. It generates high quality semi-regular multiresolution meshes of arbitrary topology. Our technique proceeds in two stages. First, a very coarse mesh with guaranteed topology is extracted. Subsequently an iterative multi-scale force-based solver refines the initial mesh into a semi-regular mesh with geometrically adaptive sampling rate and good aspect ratio triangles. The coarse mesh extraction is performed using a new approach we call surface wavefront propagation. A set of discrete iso-distance ribbons are rapidly built and connected while respecting the topology of the iso-surface implied by the data. Subsequent multi-scale refinement is driven by a simple force-based solver designed to combine good iso-surface fit and high quality sampling through reparameterization. In contrast to the Marching Cubes technique our output meshes adapt gracefully to the iso-surface geometry, have a natural multiresolution structure and good aspect ratio triangles, as demonstrated with a number of examples.