Dichromatic reflectance model
In Shafer’s dichromatic reflection model, scene radiance has two components:
- cb is the body reflected component
- cs is the surface (interface) reflected component
- mb and ms are scale factors depending on illumination, view directions and surface orientation.
Body essence is an entity invariant to interface reflection, and has two degrees of freedom. The Gaussian coefficient generalizes a conventional simple thresholding scheme, and it provides detailed use of body color similarity.
- C. Je and H.-M. Park. BREN: Body Reflection Essence-Neuter Model for Separation of Reflection Components. Optics Letters, Volume 40, Issue 9, pp. 1940-1943, May 1, 2015.
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