MOTIVATION: Provide models of material appearance, as well as methods to edit and process measured materials, relying either on physical or perceptual considerations. INSPIRATION: Koenderink and Pont analytic papers on various types of materials, Marchner et al. BRDF models, Burley’s artistic approach to material appearance.
  A Composite BRDF Model for Hazy Gloss
Pascal Barla, Romain Pacanowski, Peter Vangorp.
Computer Graphics Forum, proceedings of EGSR 2018.
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The Perception of Hazy Gloss
Peter Vangorp, Pascal Barla, Roland Fleming.
Journal of Vision 2017, Volume 17, issue 5.
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A Practical Extension to Microfacet Theory for the Modeling of Varying Iridescence
Laurent Belcour, Pascal Barla.
ACM Transactions on Graphics (proceedings of Siggraph), 2017.

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Multi-Scale Rendering of Scratched Materials using a Structured SV-BRDF Model
Boris Raymond, Gaël Guennebaud, Pascal Barla.
ACM Transactions on Graphics (proceedings of Siggraph), 2016
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