An Analytic BRDF for Materials with Spherical Lambertian Scatterers
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2021Author
d'Eon, Eugene 
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We present a new analytic BRDF for porous materials comprised of spherical Lambertian scatterers. The BRDF has a single parameter: the albedo of the Lambertian particles. The resulting appearance exhibits strong back scattering and saturation effects that height-field-based models such as Oren-Nayar cannot reproduce.
BibTeX
@article {10.1111:cgf.14348,
journal = {Computer Graphics Forum},
title = {{An Analytic BRDF for Materials with Spherical Lambertian Scatterers}},
author = {d'Eon, Eugene},
year = {2021},
publisher = {The Eurographics Association and John Wiley & Sons Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/cgf.14348}
}
journal = {Computer Graphics Forum},
title = {{An Analytic BRDF for Materials with Spherical Lambertian Scatterers}},
author = {d'Eon, Eugene},
year = {2021},
publisher = {The Eurographics Association and John Wiley & Sons Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/cgf.14348}
}