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27 March 2015Predictive rendering of composite materials: a multi-scale approach

T. Muller,Patrick Callet,F. da Graça,A. Paljic, P. Porral,R. Hoarau

T. Muller,¹ Patrick Callet,² F. da Graça,¹ A. Paljic,¹ P. Porral,¹ R. Hoarau¹

¹Mines ParisTech, PSL-Research Univ., Ctr. for Robotics (France)
²Mines ParisTech (France)

Proceedings Volume 9398, Measuring, Modeling, and Reproducing Material Appearance 2015; 939804 (2015)https://doi.org/10.1117/12.2077920
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

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Abstract

Predictive rendering of material appearance means going deep into the understanding of the physical interaction between light and matter and how these interactions are perceived by the human brain. In this paper we describe our approach to predict the appearance of composite materials by relying on the multi-scale nature of the involved phenomena. Using recent works on physical modeling of complex materials, we show how to predict the aspect of a composite material based on its composition and its morphology. Specifically, we focus on the materials whose morphological structures are defined at several embedded scales. We rely on the assumption that when the inclusions in a composite material are smaller than the considered wavelength, the optical constants of the corresponding effective media can be computed by a homogenization process (or analytically for special cases) to be used into the Fresnel formulas.

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T. Muller,Patrick Callet,F. da Graça,A. Paljic,P. Porral, andR. Hoarau"Predictive rendering of composite materials: a multi-scale approach", Proc. SPIE 9398, Measuring, Modeling, and Reproducing Material Appearance 2015, 939804 (27 March 2015);https://doi.org/10.1117/12.2077920

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