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Comparative study of layered material models

Mégane Bati 1 Romain Pacanowski 2 Pascal Barla 3
3 MANAO - Melting the frontiers between Light, Shape and Matter
LaBRI - Laboratoire Bordelais de Recherche en Informatique, Inria Bordeaux - Sud-Ouest, LP2N - Laboratoire Photonique, Numérique et Nanosciences
Abstract : The accurate reproduction of layered materials is an important part of physically-based rendering applications. Since no exact analytical model exists for any configuration of layer stacks, available models make approximations. In this paper, we propose to evaluate them with a numerical approach: we simulate BRDFs and BTDFs for layered materials in order to compare existing models against a common reference. We show that: (1) no single model always outperforms the others and (2) significant differences remain between simulated and modeled materials. We analyse the reasons for these discrepancies and introduce immediate corrections.
Keywords : Material BRDFs
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Submitted on : Tuesday, July 16, 2019 - 10:40:11 AM
Last modification on : Tuesday, December 8, 2020 - 9:53:20 AM


  • HAL Id : hal-02184562, version 1



Mégane Bati, Romain Pacanowski, Pascal Barla. Comparative study of layered material models. Workshop on Material Appearance Modeling, Jul 2019, Strasbourg, France. ⟨hal-02184562⟩



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