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Researchers at NVIDIA presented a new paper “An Analytic BRDF for Materials with Spherical Lambertian Scatterers” at Eurographics Symposium on Rendering 2021 (EGSR), June 29-July 2, introducing a new BRDF for dusty/diffuse surfaces. Most rough diffuse BRDFs such as Oren-Nayar are based on a random height-field microsurface, which limits the range of roughnesses that are … Continued...