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    • Gaussian Product Sampling for Rendering Layered Materials 

      Xia, Mengqi (Mandy); Walter, Bruce; Hery, Christophe; Marschner, Steve (© 2020 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd, 2020)
      To increase diversity and realism, surface bidirectional scattering distribution functions (BSDFs) are often modelled as consisting of multiple layers, but accurately evaluating layered BSDFs while accounting for all light ...