.
A Non-Photorealistic Lighting Model For Automatic Technical Illustration
Amy A. Gooch, Bruce Gooch, Peter Shirley, Elaine Cohen.
SIGGRAPH 98, pp. 447--452, July,
1998. [BibTeX]
Computer generated Celtic design
Matthew Kaplan, Elaine Cohen.
13th Eurographics workshop on Rendering, Non-photorealistic rendering, pp. 9--19,
2003. [BibTeX]
Interactive Artistic Rendering
Matthew Kaplan, Bruce Gooch, Elaine Cohen.
1st International Symposium on Non-Photorealistic Animation and Rendering (NPAR'00), pp. 67--74, Annecy, France, June 05 - 07,
2000. [BibTeX]
Pattern Oriented Remeshing for Celtic Design
Author(s): Matthew Kaplan, Emil Praun, Elaine Cohen.
Proceedings: 12th Pacific Conference on Computer Graphics and Applications (PG'04), Seoul, Korea,
2004.
[BibTeX] 
Abstract:
Decorating arbitrary meshes with Celtic knots requires polygonal meshes with regular connectivity and close to regular face geometry. Because these properties are often irregular, especially in scanned or reconstructed models, the Celtic knots produced may be erratic and undesireable. In this paper we remesh models based on planar tilings defined by the user. Such pattern-oriented surfaces allow us to decorate models with attractive Celtic knots in a consistent fashion and may be applicable to a large number of algorithms that are sensitive to mesh structure.