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Semi-sharp subdivision surface fitting based on feature lines approximation

机译:基于特征线近似的半清晰细分曲面拟合

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This paper presents an algorithm for approximating arbitrary polygonal meshes with subdivision surfaces, with the objective of preserving the relevant features of the object while searching the coarsest possible control mesh. The main idea is to firstly extract the feature lines of the object, and secondly construct the subdivision surface over this network. Control points are created by approximating these lines while the connectivity is built with respect to the anisotropy of the object. Our algorithm reinforces the similarity between the subdivision surface and the original shape by affecting an integer sharpness degree to each control edge in order to accurately reproduce the different curvature radii of corresponding fillets and blends.
机译:本文提出了一种用细分表面近似任意多边形网格的算法,目的是在搜索最粗的控制网格时保留对象的相关特征。主要思想是首先提取对象的特征线,其次在此网络上构造细分曲面。通过建立与对象的各向异性有关的连通性,可以通过近似这些线来创建控制点。我们的算法通过影响每个控制边缘的整数锐度来加强细分表面和原始形状之间的相似性,从而准确地再现相应圆角和混合的不同曲率半径。

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