期刊
ACM TRANSACTIONS ON GRAPHICS
卷 30, 期 3, 页码 -出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/1966394.1966400
关键词
Algorithms; Implicit surfaces; blobbies; motion blur
资金
- NSERC
- MITACS
In this article we derive an equation for the velocity of an arbitrary time-evolving implicit surface. Strictly speaking, only the normal component of the velocity is unambiguously defined. This is because an implicit surface does not have a unique parametrization. However, by enforcing a constraint on the evolution of the normal field we obtain a unique tangential component. We apply our formulas to surface tracking and to the problem of computing velocity vectors of a motion blurred blobby surface. Other possible applications are mentioned at the end of the article.
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