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首页> 外文期刊>IEEE Computer Graphics and Applications >Constructing a Reeb graph automatically from cross sections
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Constructing a Reeb graph automatically from cross sections

机译:从横截面自动构造Reeb图

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摘要

The Reeb graph represents the topological skeleton of a 3-D object and shows between which contours the surface patches should be generated. To construct the graph automatically, a weight function is defined for a pair of contours with each contour lying on the adjacent cross sections. First, the algorithm automatically generates the major parts of the edges of the Reeb graph where the number of contours does not change. Then the rest of the graph is determined by using the weight function and prior knowledge of the number of holes the object has. Specifically, the graph is completed by adding edges that do not contradict the known number of holes in descending order of the weight.
机译:Reeb图表示3-D对象的拓扑骨架,并显示应在哪些轮廓之间生成表面补丁。为了自动构造图形,为一对轮廓定义了权重函数,每个轮廓位于相邻的横截面上。首先,该算法自动生成Reeb图边缘的主要部分,其中轮廓的数量不变。然后,使用权重函数和对象具有的孔数的先验知识来确定图表的其余部分。具体而言,通过按重量的降序添加与已知孔数不矛盾的边来完成图形。

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