期刊
ACM TRANSACTIONS ON GRAPHICS
卷 40, 期 4, 页码 -出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3450626.3459757
关键词
deformation; global injectivity; distortion optimization; modeling; animation; numerical optimization
资金
- NSF CAREER [IIS-1943199, CCF-1813624, ECCS-2023780]
IDP is a new framework for solving a wide range of mesh deformation problems requiring injectivity, using artificial time integration to ensure non-inversion and non-overlap in geometry processing and animation tasks. It efficiently guarantees globally injective deformation without geometric locking, showing significant improvement over state-of-the-art for globally injective 3D deformation.
We extend recent advances in the numerical time-integration of contacting elastodynamics [Li et al. 2020] to build a new framework, called Injective Deformation Processing (IDP), for the robust solution of a wide range of mesh deformation problems requiring injectivity. IDP solves challenging 3D (and 2D) geometry processing and animation tasks on meshes, via artificial time integration, with guarantees of both non-inversion and non-overlap. To our knowledge IDP is the first framework for 3D deformation processing that can efficiently guarantee globally injective deformation without geometric locking. We demonstrate its application on a diverse set of problems and show its significant improvement over state-of-the-art for globally injective 3D deformation.
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