Name
Abstract | ||
|---|---|---|
We introduce a smooth quadratic conformal functional and its weighted versionW-2 = Sigma(e)beta(2) (e) W-2,W-w = Sigma(e)(ni + n(j))beta(2) (e),where beta(e) is the extrinsic intersection angle of the circumcircles of the triangles of the mesh sharing the edge e = (ij) and n(i) is the valence of vertex i. Besides minimizing the squared local conformal discrete Will-more energy W this functional also minimizes local differences of the angles beta. We investigate the minimizers of this functionals for simplicial spheres and simplicial surfaces of nontrivial topology. Several remarkable facts are observed. In particular for most of randomly generated simplicial polyhedra the minimizers of W-2 and W-2,W- w are inscribed polyhedra. We demonstrate also some applications in geometry processing, for example, a conformal deformation of surfaces to the round sphere. A partial theoretical explanation through quadratic optimization theory of some observed phenomena is presented. |
Year | DOI | Venue |
|---|---|---|
2014 | 10.1007/978-3-319-22804-4_4 | CURVES AND SURFACES |
Field | DocType | Volume |
Topology,Combinatorics,Vertex (geometry),Polyhedron,Simplicial homology,Conformal map,Simplicial complex,h-vector,Mathematics,Abstract simplicial complex,Willmore energy | Conference | 9213 |
ISSN | Citations | PageRank |
0302-9743 | 0 | 0.34 |
References | Authors | |
4 | 2 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Alexander I. Bobenko | 1 | 182 | 17.20 |
| Martin P. Weidner | 2 | 0 | 0.34 |