Proxy-Guided Texture Synthesis for Rendering Natural Scenes

Nicolas Bonneel 1, 2 Michiel Van de Panne 1, 2 Sylvain Lefebvre 1, 3 George Drettakis 1
1 REVES - Rendering and virtual environments with sound
CRISAM - Inria Sophia Antipolis - Méditerranée
3 ALICE - Geometry and Lighting
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : Abstract: Landscapes and other natural scenes are easy to photograph but difficult to model and render. We present a proxy-guided pipeline which allows for simple 3D proxy geometry to be rendered with the rich visual detail found in a suitably pre-annotated example image. This greatly simplifies the geometric modeling and texture mapping of such scenes. Our method renders at near-interactive rates and is designed by carefully adapting guidancebased texture synthesis to our goals. A guidance-map synthesis step is used to obtain silhouettes and borders that have the same rich detail as the source photo, using a Chamfer distance metric as a principled way of dealing with discrete texture labels. We adapt an efficient parallel approach to the challenging guided synthesis step we require, providing a fast and scalable solution. We provide a solution for local temporal coherence, by introducing a reprojection algorithm, which reuses earlier synthesis results when feasible, as measured by a distortion metric. Our method allows for the consistent integration of standard CG elements with the texture-synthesized elements. We demonstrate near-interactive camera motion and landscape editing on a number of examples.
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Rapport
[Research Report] RR-7298, INRIA. 2010
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Nicolas Bonneel, Michiel Van de Panne, Sylvain Lefebvre, George Drettakis. Proxy-Guided Texture Synthesis for Rendering Natural Scenes. [Research Report] RR-7298, INRIA. 2010. 〈inria-00485783〉

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