Supriya Ghosh (Editor)

Dichromatic reflectance model

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In Shafer’s dichromatic reflection model, scene radiance has two components:

L ( λ ) = m b c b ( λ ) + m s c s ( λ ) 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.

BREN (body reflection essence-neuter) model based

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.

References

Dichromatic reflectance model Wikipedia
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