Multiple-Scattering Microfacet BSDFs with the Smith Model Eric Heitz, Johannes Hanika, Eugene d’Eon and Carsten Dachsbacher ACM SIGGRAPH 2016 Motivation Modeling multiple scattering in microfacet theory is considered an important open problem because a non-negligible portion of the energy leaving rough surfaces is due to paths that bounce multiple times. In this paper, we are interested in pushing the … Continue reading
