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TITLE:Shading Approach for Artistic Stroke Thickness using 2D Light Position
* Shading Approach for Artistic Stroke Thickness using 2D Light Position [#xf7ddc92]

CENTER:&size(16){''[[Takashi Ejiri>Members/TakashiEjiri]], [[Yuki  Morimoto>Members/YukiMorimoto]], [[Tokiichiro Takahashi>Members/TokiichiroTakahashi]]''};
CENTER:&size(16){''ACM SIGGRAPH 2014''};

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　We present an approach for determining stroke thickness in illustrations based on two-dimensional (2D) light position. Stroke rendering is particularly important for cartoons and illustrations in nonphotorealistic rendering (NPR). In cartoons and illustrations, stroke thickness is varied for effective expressions. 
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　[Goodwin et al. 2007] proposed a shading approach to artistic stroke thickness using a three-dimensional (3D) model. However, shading 2D images using 2D light position remains a challenge. 
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　We propose a method to render artistic stroke styles by varying thickness considering the distance from a 2D light position.




** Images [#dd787ef6]
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** Tags [#dc9781f9]
&tag(Takashi Ejiri,SIGGRAPH);