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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sottile, F. Chun-Gang Zhu |
| Copyright Year | 2011 |
| Abstract | Rational Bezier functions are widely used as mapping functions in surface reparameterization, finite element analysis, image warping and morphing. The injectivity (one-to-one property) of a mapping function is typically necessary for these applications. Toric B´ezier patches are generalizations of classical patches (triangular, tensor product) which are defined on the convex hull of a set of integer lattice points. We give a geometric condition on the control points that we show is equivalent to the injectivity of every 2D toric B´ezier patch with those control points for all possible choices of weights. This condition refines that of Craciun, et al., which only implied injectivity on the interior of a patch. |
| Starting Page | 235 |
| Ending Page | 238 |
| File Size | 172231 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457710797 |
| DOI | 10.1109/CAD/Graphics.2011.13 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-09-15 |
| Publisher Place | Colombia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Tensile stress mapping injectivity Image edge detection Lattices Bézier patches Educational institutions Polynomials Three dimensional displays toric patches |
| Content Type | Text |
| Resource Type | Article |
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