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Computing Smooth Surface Contours with Accurate Topology Pierre Benard, Aaron Hertzmann, Michael Kass March 2014 This paper introduces a method for accurately computing the visible contours of a smooth 3D surface for stylization. This is a surprisingly difficult problem, and previous methods are prone to topological errors, such as gaps in the outline. Our approach is to generate, for each viewpoint, a new triangle mesh with contours that are topologically-equivalent ... [more] To appear in ACM Transactions on Graphics |
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Stylizing Animation By Example Pierre Benard, Forrester Cole, Michael Kass, Igor Mordatch, James Hegarty, Martin Sebastian Senn, Kurt Fleischer, Davide Pesare, Katherine Breeden April 2013 Skilled artists, using traditional media or modern computer painting tools, can create a variety of expressive styles that are very appealing in still images, but have been unsuitable for animation. The key difficulty is that existing techniques lack adequate temporal coherence to animate these styles effectively. Here we augment the ... [more] Additional materials: [ComputerGraphicsWorldArticle.pdf], [PaintTweenDistro.tgz], [PaintTweenWorkingSets.tgz], [additionalResults.mov], [mainVideo.mov] Available in the proceedings of SIGGRAPH 2013. Available as Pixar Technical Memo #13-03 |