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Smooth piecewise polynomial blending operations for implicit shapes

Li, Qingde



In this paper, we present a new set of blending operations for implicitly defined geometric shapes. The proposed shape operators are piecewise polynomial and blending range controllable, and can be constructed to any required degree of smoothness. The key idea behind these techniques is the introduction of the concept of the smooth absolute functions, which in turn lead to the definition of smooth maximum functions. These novel generalized absolute functions can be constructed recursively or through a recursively defined functions, and can thus be computed cheaply. In addition, the underlying mathematical descriptions of these shape operations are very simple and elegant.

Journal Article Type Article
Publication Date Dec 31, 2007
Print ISSN 0167-7055
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 26
Issue 2
Pages 157 - 171
APA6 Citation Li, Q. (2007). Smooth piecewise polynomial blending operations for implicit shapes. Computer graphics forum : journal of the European Association for Computer Graphics, 26(2), 157 - 171.
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