A New Class of BRDF Models with Fast Importance Sampling

László Neumann, Attila Neumann
A New Class of BRDF Models with Fast Importance Sampling
TR-186-2-96-24, December 1996 [paper]

Information

Abstract

We introduce a physically plausible mathematical model for a large class of BRDFs. The new model can be defined in a user-friendly way and it is as simple as the well-known Phong model, without any of its disadvantages. It gives a good visual approximation of a lot of practical materials: metals, plastics, ceramics, retro-reflective paints, anisotropic materials, etc. The new model includes the ideal diffuse model and ideal mirror as well, reflecting all of the incoming energy. Because of its illustrative properties it can be used easily in most commercial software and because of its low computational cost it is practical for VR.

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BibTeX

@techreport{Neumann-1996-NCB,
  title =      "A New Class of BRDF Models with Fast Importance Sampling",
  author =     "L\'{a}szl\'{o} Neumann and Attila Neumann",
  year =       "1996",
  abstract =   "We introduce a physically plausible mathematical model for a
               large class of BRDFs. The new model can be defined in a
               user-friendly way and it is as simple as the well-known
               Phong model, without any of its disadvantages. It gives a
               good visual approximation of a lot of practical materials:
               metals, plastics, ceramics, retro-reflective paints,
               anisotropic materials, etc. The new model includes the ideal
               diffuse model and ideal mirror as well, reflecting all of
               the incoming energy. Because of its illustrative properties
               it can be used easily in most commercial software and
               because of its low computational cost it is                 
               practical for VR.",
  month =      dec,
  number =     "TR-186-2-96-24",
  address =    "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology ",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  keywords =   "rendering, reflection models, anisotropy, retro-reflective
               models, BRDF, albedo, Monte Carlo, imporance sampling",
  URL =        "https://www.cg.tuwien.ac.at/research/publications/1996/Neumann-1996-NCB/",
}