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Geometric approximations towards free specular comic shading

Winnemoller, Holger and Bangay, Shaun 2002, Geometric approximations towards free specular comic shading, Computer graphics forum, vol. 21, no. 3, pp. 309-316, doi: 10.1111/1467-8659.00590.

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Title Geometric approximations towards free specular comic shading
Author(s) Winnemoller, Holger
Bangay, Shaun
Journal name Computer graphics forum
Volume number 21
Issue number 3
Start page 309
End page 316
Total pages 8
Publisher Wiley - Blackwell Publishing
Place of publication Oxford, England
Publication date 2002-09
ISSN 0167-7055
1467-8659
Keyword(s) comic rendering
cartoon rendering
level-of-detail measure
non-photorealistic rendering
perspective-correction
phong lighting
real-time
shading maps
Summary We extend the standard solution to comic rendering with a comic-style specular component. To minimise the computational overhead associated with this extension, we introduce two optimising approximations; the perspective correction angle and the vertex face-orientation measure. Both of these optimisations are generally applicable, but they are especially well suited for applications where a physically correct lighting simulation is not required. Using our optimisations we achieve performances comparable to the standard solution. As our approximations favour large models, we even outperform the standard approach for models consisting of 10,000 triangles or more, which we can render exceeding 40 frames per second, including the specular component.
Language eng
DOI 10.1111/1467-8659.00590
Field of Research 080103 Computer Graphics
Socio Economic Objective 890299 Computer Software and Services not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039224

Document type: Journal Article
Collection: School of Information Technology
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