Importance Sampling Microfacet-Based BSDFs using the Distribution of Visible Normals - Heitz, E.; d'Eon, E. (Computer graphics forum, 2014)
Keywords: Analysis; Categories and Subject Descriptors (according to ACM CCS); Computer graphics; Computer Science; Conductors; Dielectric properties; Dielectrics; Graphics; Grazing; I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism; Importance Sampling; Mathematical analysis; Mathematical models; Microfacet BSDF; Microstructure; Sampling; Studies; Weight reduction