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Shading-Interval Constraints for Normal Map Editing

Shiming Zou 1 Hongxin Zhang 1 Xavier Granier 1, 2, 3 
2 IPARLA - Visualization and manipulation of complex data on wireless mobile devices
Université Sciences et Technologies - Bordeaux 1, Inria Bordeaux - Sud-Ouest, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : Normal mapping is a compact representation to create visually rich shapes and shading effects. In this paper, we introduce a new paint-based approach to edit a normal map according to the intended shading, from realistic to non-realistic ones. For this purpose, we have formulated a normal-from-shading operation as a quadratic problem that makes use of intervals on shading. This approach ensures that the resulting normal map visually corresponds to the user-designed shading.
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Submitted on : Tuesday, December 14, 2010 - 12:00:26 PM
Last modification on : Saturday, June 25, 2022 - 10:32:17 AM
Long-term archiving on: : Monday, November 5, 2012 - 1:35:29 PM


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Shiming Zou, Hongxin Zhang, Xavier Granier. Shading-Interval Constraints for Normal Map Editing. SIGGRAPH ASIA Sketch Program, Dec 2010, Seoul, South Korea. pp.23:1-23:2, ⟨10.1145/1899950.1899973⟩. ⟨inria-00522919⟩



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