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Stylized Vector Art from 3D Models with Region Support

Elmar Eisemann 1, * Holger Winnenmöller 2 John Hart 3 David Salesin 4
* Corresponding author
1 ARTIS - Acquisition, representation and transformations for image synthesis
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology
Abstract : We describe a rendering system that converts a 3D meshed model into the stylized 2D filled-region vector-art commonly found in clip-art libraries. To properly define filled regions, we analyze and combine accurate but jagged face-normal contours with smooth but inaccurate interpolated vertex normal contours, and construct a new smooth shadow contour that properly surrounds the actual jagged shadow contour. We decompose region definition into geometric and topological components, using machine precision for geometry processing and raster-precision to accelerate topological queries. We extend programmable stylization to simplify, smooth and stylize filled regions. The result renders 10K-face meshes into custom clip-art in seconds.
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Submitted on : Monday, December 8, 2008 - 6:13:01 PM
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Elmar Eisemann, Holger Winnenmöller, John Hart, David Salesin. Stylized Vector Art from 3D Models with Region Support. Computer Graphics Forum, Wiley, 2008, Special Issue: Proceedings of the 19th Eurographics Symposium on Rendering 2008, 27 (4), pp.1199--1207. ⟨10.1111/j.1467-8659.2008.01258.x⟩. ⟨inria-00345295⟩



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