An Anisotropic Phong Light Reflection Model

  title={An Anisotropic Phong Light Reflection Model},
  author={Michael Ashikhmin and Peter Shirley},
We present a new BRDF model that attempts to combine the advantages of the various empirical models currently in use. In particular, it has intuitive parameters, is anisotropic, energy-conserving, reciprocal, has an appropriate nonLambertian diffuse term, and is easy to use in a Monte Carlo framework. 
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