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cs.GR2021
An analytic BRDF for materials with spherical Lambertian scatterers
Eugene d'Eon
We present a new analytic BRDF for porous materials comprised of spherical Lambertian scatterers. The BRDF has a single parameter: the albedo of the Lambertian particles. The resul…
cs.GR2021
An unbiased ray-marching transmittance estimator
Markus Kettunen, Eugene d'Eon, Jacopo Pantaleoni +1
We present an in-depth analysis of the sources of variance in state-of-the-art unbiased volumetric transmittance estimators, and propose several new methods for improving their eff…