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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Saba, S. Yavneh, I. Gotsman, C. Sheffer, A. |
| Copyright Year | 2005 |
| Description | Author affiliation: Technion, Haifa, Israel (Saba, S.; Yavneh, I.) |
| Abstract | Gotsman et al. (SIGGRAPH 2003) presented the first method to generate a provably bijective parameterization of a closed genus-0 manifold mesh to the unit sphere. This involves the solution of a large system of non-linear equations. However, they did not show how to solve these equations efficiently, so, while theoretically sound, the method has remained impractical till now. We show why simple iterative methods to solve the equations are bound to fail, and provide an efficient numerical scheme that succeeds. Our method uses a number of optimization methods combined with an algebraic multigrid technique. With these, we are able to spherically parameterize meshes containing up to a hundred thousand vertices in a matter of minutes. |
| Starting Page | 256 |
| Ending Page | 265 |
| File Size | 2213912 |
| Page Count | 10 |
| File Format | |
| ISBN | 076952379X |
| DOI | 10.1109/SMI.2005.32 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Mesh generation Nonlinear equations Laplace equations Springs Iterative methods Optimization methods Filtering algorithms Image coding Shape Nonlinear distortion |
| Content Type | Text |
| Resource Type | Article |
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