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Appearance of Interfaced Lambertian Microfacets, using STD Distribution

Résumé

This paper presents the use of Student’s T-Distribution (STD) with interfaced Lambertian (IL) microfacets. The resulting model increases the range of materials while providing a very accurate adjustment of appearance. STD has been recently proposed as a generalized distribution of microfacets which includes Beckmann and GGX widely used in computer graphics; IL corresponds to a physical representation of a Lambertian substrate covered with a flat Fresnel interface. We illustrate the appearance variations that can be observed, and discuss the advantages of using such a combination.
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Dates et versions

hal-01966359 , version 1 (28-12-2018)

Identifiants

  • HAL Id : hal-01966359 , version 1

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M Ribardière, D Meneveaux, B. Bringier, Lionel Simonot. Appearance of Interfaced Lambertian Microfacets, using STD Distribution. Workshop on Material Appearance Modeling, Jun 2017, Helsinki, Finland. ⟨hal-01966359⟩
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