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Multi-Scale Rendering of Scratched Materials using a Structured SV-BRDF Model

hal.structure.identifierUniversité de Bordeaux [UB]
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
dc.contributor.authorRAYMOND, Boris
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
dc.contributor.authorGUENNEBAUD, Gael
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
dc.contributor.authorBARLA, Pascal
dc.date.accessioned2023-05-12T10:56:46Z
dc.date.available2023-05-12T10:56:46Z
dc.date.created2016-04-14
dc.date.issued2016-07-26
dc.identifier.issn0730-0301
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/181956
dc.description.abstractEnWe introduce a Spatially-Varying BRDF model tailored to the multi-scale rendering of scratched materials such as metals, plastics or finished woods.Our approach takes advantage of the regular structure of scratch distributions to achieve high performance without compromising visual quality.We provide users with controls over the profile, micro-BRDF, density and orientation of scratches, while updating our material model at interactive rates.The BRDF for a single scratch is simulated using an optimized 2D ray-tracer and compactly stored in a three-component 2D texture.In contrast to existing models, our approach takes into account all inter-reflections inside a scratch, including Fresnel effects.At render time, the SV-BRDF for the scratch distribution under a pixel or ray footprint is obtained by linear combination of individual scratch BRDFs.We show how to evaluate it using both importance and light sampling, in direct and global illumination settings.
dc.description.sponsorshipReprésentation et manipulation de formes extrement détaillées - ANR-14-CE24-0004
dc.language.isoen
dc.publisherAssociation for Computing Machinery
dc.subject.enAnisotropic BRDF
dc.subject.enreal-time rendering
dc.subject.enmulti-scale
dc.title.enMulti-Scale Rendering of Scratched Materials using a Structured SV-BRDF Model
dc.typeArticle de revue
dc.identifier.doi10.1145/2897824.2925945
dc.subject.halInformatique [cs]/Synthèse d'image et réalité virtuelle [cs.GR]
dc.description.sponsorshipEuropePerceptual Representation of Illumination, Shape and Material
bordeaux.journalACM Transactions on Graphics
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-01321289
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01321289v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=ACM%20Transactions%20on%20Graphics&rft.date=2016-07-26&rft.eissn=0730-0301&rft.issn=0730-0301&rft.au=RAYMOND,%20Boris&GUENNEBAUD,%20Gael&BARLA,%20Pascal&rft.genre=article


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