使用“细分形状-曲率-图”的三维网格描述

Florian Beguet, J. A. Guise, M. Schmittbuhl, J. Mari
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引用次数: 0

摘要

本文提出了一种三维网格的形状描述符,用图形表示多面体网格,然后从形状中提取图案。使用细分形状曲率图不仅可以识别网格细节的相似性,还可以通过向图中添加拓扑信息来确定对象局部部分的自相似性。该方法利用离散曲率将网格划分为8类补丁。这些补丁是清洁的;然后,为了添加拓扑信息,添加一个新的“分割”补丁。最后,提出了一种提取和比较子图的方法,从而能够获得网格局部部分的自相似度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
3D Mesh Description Using "Subdivided Shape-Curvature-Graphs"
This paper presents a shape descriptor for 3D meshes using a graph to represent a polyhedral mesh which is then used to extract patterns from the shape. The use of Subdivided Shape-Curvature-Graphs makes it possible to not only recognize the similarities of mesh details but also determine the self-similarity of local portions of the object by adding topological information to the graph. The proposed method divides the mesh into 8 categories of patches using the discrete curvatures. These patches are cleaned; afterwards, to add topological information, a new "segmentation" patch is added. Finally, an approach is developed to extract and compare the subgraphs and thus be able to obtain the self-similarity of local parts of the mesh.
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