A Physically-Based BSDF for Modeling the Appearance of Paper

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dc.contributor.authorPapas, Mariosen_US
dc.contributor.authorMesa, Krystle deen_US
dc.contributor.authorJensen, Henrik Wannen_US
dc.contributor.editorWojciech Jarosz and Pieter Peersen_US
dc.date.accessioned2015-03-03T12:40:28Z
dc.date.available2015-03-03T12:40:28Z
dc.date.issued2014en_US
dc.description.abstractWe present a novel appearance model for paper. Based on our appearance measurements for matte and glossy paper, we find that paper exhibits a combination of subsurface scattering, specular reflection, retroreflection, and surface sheen. Classic microfacet and simple diffuse reflection models cannot simulate the double-sided appearance of a thin layer. Our novel BSDF model matches our measurements for paper and accounts for both reflection and transmission properties. At the core of the BSDF model is a method for converting a multi-layer subsurface scattering model (BSSRDF) into a BSDF, which allows us to retain physically-based absorption and scattering parameters obtained from the measurements. We also introduce a method for computing the amount of light available for subsurface scattering due to transmission through a rough dielectric surface. Our final model accounts for multiple scattering, single scattering, and surface reflection and is capable of rendering paper with varying levels of roughness and glossiness on both sides.en_US
dc.description.seriesinformationComputer Graphics Forumen_US
dc.identifier.issn1467-8659en_US
dc.identifier.urihttps://doi.org/10.1111/cgf.12420en_US
dc.publisherThe Eurographics Association and John Wiley and Sons Ltd.en_US
dc.titleA Physically-Based BSDF for Modeling the Appearance of Paperen_US
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EGSR14: 25th Eurographics Symposium on Rendering