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NPR Gabor Noise for Coherent Stylization

Pierre Bénard 1 Ares Lagae 2, 3 Peter Vangorp 2 Sylvain Lefebvre 4 George Drettakis 2 Joëlle Thollot 1 
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
2 REVES - Rendering and virtual environments with sound
CRISAM - Inria Sophia Antipolis - Méditerranée
4 ALICE - Geometry and Lighting
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : We present a new solution for temporal coherence in non-photorealistic rendering (NPR) of animations. Given the conflicting goals of preserving the 2D aspect of the style and the 3D scene motion, any such solution is a trade-off. We observe that primitive-based methods in NPR can be seen as texture-based methods when using large numbers of primitives, leading to our key insight, namely that this process is similar to sparse convolution noise in procedural texturing. Consequently, we present a new primitive for NPR based on Gabor noise, that preserves the 2D aspect of noise, conveys the 3D motion of the scene, and is temporally continuous. We can thus use standard techniques from procedural texturing to create various styles, which we show for interactive NPR applications. We also present a user study to evaluate this and existing solutions, and to provide more insight in the trade-off implied by temporal coherence. The results of the study indicate that maintaining coherent motion is important, but also that our new solution provides a good compromise between the 2D aspect of the style and 3D motion.
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Contributor : Pierre Bénard Connect in order to contact the contributor
Submitted on : Thursday, June 17, 2010 - 11:14:41 AM
Last modification on : Saturday, June 25, 2022 - 7:43:28 PM
Long-term archiving on: : Monday, September 20, 2010 - 5:13:45 PM


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Pierre Bénard, Ares Lagae, Peter Vangorp, Sylvain Lefebvre, George Drettakis, et al.. NPR Gabor Noise for Coherent Stylization. ACM SIGGRAPH 2010 Talks, Jul 2010, Los Angeles, CA, United States. pp.40, ⟨10.1145/1837026.1837079⟩. ⟨inria-00492833⟩



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