From Event: SPIE Optical Engineering + Applications, 2016
The bidirectional reflectance distribution function (BRDF) describes realistic scattering of light off materials. Microfacet
BRDF’s often only describe one type of material and neglect wavelength effects. Wave-optics BRDF expressions,
however, can describe wavelength effects at the expense of being more computationally cumbersome. Previous work
relating wave-optics BRDF coordinates to micro-facet coordinates led to a complicated, but versatile, BRDF. In this
work, the infinite summation found in the previous derivation is investigated, leading toward a closed-form BRDF
model that describes wavelength-dependent effects for materials with various surface parameters, and which will be
usable in remote sensing applications.
Samuel E. Freda, Samuel D. Butler, Stephen E. Nauyoks, and Michael A. Marciniak, "Analysis of wave optics BRDF model elements for a moderately rough surface," Proc. SPIE 9961, Reflection, Scattering, and Diffraction from Surfaces V, 99610G (Presented at SPIE Optical Engineering + Applications: August 29, 2016; Published: 26 September 2016); https://doi.org/10.1117/12.2238118.
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