MatMorpher: A Morphing Operator for SVBRDFs

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dc.contributor.authorGauthier, Albanen_US
dc.contributor.authorThiery, Jean-Marcen_US
dc.contributor.authorBoubekeur, Tamyen_US
dc.contributor.editorBousseau, Adrien and McGuire, Morganen_US
dc.date.accessioned2021-07-12T12:13:34Z
dc.date.available2021-07-12T12:13:34Z
dc.date.issued2021
dc.description.abstractWe present a novel morphing operator for spatially-varying bidirectional reflectance distribution functions. Our operator takes as input digital materials modeled using a set of 2D texture maps which control the typical parameters of a standard BRDF model. It also takes an interpolation map, defined over the same texture domain, which modulates the interpolation at each texel of the material. Our algorithm is based on a transport mechanism which continuously transforms the individual source maps into their destination counterparts in a feature-sensitive manner. The underlying non-rigid deformation is computed using an energy minimization over a transport grid and accounts for the user-selected dominant features present in the input materials. During this process, we carefully preserve details by mixing the material channels using a histogram-aware color blending combined with a normal reorientation. As a result, our method allows to explore large regions of the space of possible materials using exemplars as anchors and our interpolation scheme as a navigation mean. We also give details about our real time implementation, designed to map faithfully to the standard physically-based rendering workflow and letting users rule interactively the morphing process.en_US
dc.description.sectionheadersMaterial Models
dc.description.seriesinformationEurographics Symposium on Rendering - DL-only Track
dc.identifier.doi10.2312/sr.20211298
dc.identifier.isbn978-3-03868-157-1
dc.identifier.issn1727-3463
dc.identifier.pages141-153
dc.identifier.urihttps://doi.org/10.2312/sr.20211298
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/sr20211298
dc.publisherThe Eurographics Associationen_US
dc.subjectComputing methodologies
dc.subjectTexturing
dc.subjectReflectance modeling
dc.titleMatMorpher: A Morphing Operator for SVBRDFsen_US
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