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Mesh Parametrization Driven by Unit Normal Flow
Author(s) -
Zhao Hui,
Su Kehua,
Li Chenchen,
Zhang Boyu,
Yang Lei,
Lei Na,
Wang Xiaoling,
Gortler Steven J.,
Gu Xianfeng
Publication year - 2020
Publication title -
computer graphics forum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 120
eISSN - 1467-8659
pISSN - 0167-7055
DOI - 10.1111/cgf.13660
Subject(s) - polygon mesh , parametrization (atmospheric modeling) , robustness (evolution) , computer science , spheres , isosurface , topology (electrical circuits) , curvature , flow (mathematics) , planar , surface (topology) , volume mesh , piecewise , mesh generation , mathematics , algorithm , geometry , mathematical analysis , finite element method , computer graphics (images) , artificial intelligence , physics , combinatorics , visualization , biochemistry , chemistry , quantum mechanics , astronomy , gene , radiative transfer , thermodynamics
Based on mesh deformation, we present a unified mesh parametrization algorithm for both planar and spherical domains. Our approach can produce intermediate frames from the original meshes to the targets. We derive and define a novel geometric flow: ‘unit normal flow (UNF)’ and prove that if UNF converges, it will deform a surface to a constant mean curvature (CMC) surface, such as planes and spheres. Our method works by deforming meshes of disk topology to planes, and spherical meshes to spheres. Our algorithm is robust, efficient, simple to implement. To demonstrate the robustness and effectiveness of our method, we apply it to hundreds of models of varying complexities. Our experiments show that our algorithm can be a competing alternative approach to other state‐of‐the‐art mesh parametrization methods. The unit normal flow also suggests a potential direction for creating CMC surfaces.