Title
Lifting simplices to find injectivity
Abstract
AbstractMapping a source mesh into a target domain while preserving local injectivity is an important but highly non-trivial task. Existing methods either require an already-injective starting configuration, which is often not available, or rely on sophisticated solving schemes. We propose a novel energy form, called Total Lifted Content (TLC), that is equipped with theoretical properties desirable for injectivity optimization. By lifting the simplices of the mesh into a higher dimension and measuring their contents (2D area or 3D volume) there, TLC is smooth over the entire embedding space and its global minima are always injective. The energy is simple to minimize using standard gradient-based solvers. Our method achieved 100% success rate on an extensive benchmark of embedding problems for triangular and tetrahedral meshes, on which existing methods only have varied success.
Year
DOI
Venue
2020
10.1145/3386569.3392484
ACM Transactions on Graphics
Keywords
DocType
Volume
Parameterization, injective embedding
Journal
39
Issue
ISSN
Citations 
4
0730-0301
0
PageRank 
References 
Authors
0.34
18
7
Name
Order
Citations
PageRank
Xingyi Du101.35
Noam Aigerman221512.60
Qingnan Zhou31648.93
Shahar Z. Kovalsky419210.87
Yajie Yan532.73
Danny M. Kaufman635126.91
Tao Ju724620.47