A Simple Layered RGB BRDF Model

Abstract : Many natural objects, and in general layered materials, have non-linear reflection behaviour along the wavelengths. An accurate representation of phenomena such as interference and colour separation generally requires a fine spectral representation of light instead of the commonly used RGB components. In this article, we introduce and experiment with a general approach to create similar and convincing effects, with a simple RGB BRDF model. We present a model for both specular and a diffuse reflection.
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Xavier Granier, Wolfgang Heidrich. A Simple Layered RGB BRDF Model. 10th Pacific Conference on Computer Graphics and Applications, Oct 2002, Beijing, China. pp.30-37, ⟨10.1109/PCCGA.2002.1167836⟩. ⟨inria-00586498⟩

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