We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Gradient-based shell generation and deformation.
- Authors
Jin Huang; Xinguo Liu; Haiyang Jiang; Qing Wang; Hujun Bao
- Abstract
Shell becomes popular in a variety of modeling techniques for representing small-scale features and increasing visual complexity. Current shell generation algorithms do not measure the volume distortion for geometric texture mapping. And when the object deforms, it is very challenging for existing algorithms to wrap the space inside the shell without large artifacts. We propose an approach to these problems by minimizing the difference between the deformation gradient of the space in the shell and the rotation component of it. Because the shell space is warped as rigid as possible, small features embedded in the shell can be preserved well. Furthermore, our algorithm can achieve shell-like object deformation. We introduce a novel hierarchical dimension reduction method to solve the involved nonlinear optimization problem efficiently. Finally, several examples are presented to demonstrate the usefulness of our algorithm. Copyright © 2007 John Wiley & Sons, Ltd.
- Subjects
ALGORITHMS; GEOMETRY; TEXTURE mapping; ANTIQUITIES; MATHEMATICAL optimization
- Publication
Computer Animation & Virtual Worlds, 2007, Vol 18, Issue 4/5, p301
- ISSN
1546-4261
- Publication type
Academic Journal
- DOI
10.1002/cav.206