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Numerical Analysis of Layered Materials Models

hal.structure.identifierInstitut d'Optique Graduate School [IOGS]
dc.contributor.authorBATI, Mégane
hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
dc.contributor.authorPACANOWSKI, Romain
hal.structure.identifierMelting the frontiers between Light, Shape and Matter [MANAO]
dc.contributor.authorBARLA, Pascal
dc.date.accessioned2023-05-12T10:46:22Z
dc.date.available2023-05-12T10:46:22Z
dc.date.issued2019-06-17
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/181724
dc.description.abstractEnMost real-world materials are composed of multiple layers , whose physical properties impact the appearance of objects. The accurate reproduction of layered material properties is thus an important part of physically-based rendering applications. Since no exact analytical model exists for arbitrary configurations of layer stacks, available models make a number of approximations. In this technical report, we propose to evaluate these approximations with a numerical approach: we simulate BRDFs and BTDFs for layered materials in order to compare existing models against a common reference. More specifically, we consider 60 layered material configurations organized in three categories: plastics, metals and transparent slabs. Our results show that: (1) no single model systematically outperforms the others on all categories; and (2) significant discrepancies remain between simulated and modeled materials. We analyse the reasons for these discrepancies and introduce immediate corrections that improve models accuracy with little effort. Finally, we provide a few challenging cases for future layered material models.
dc.description.sponsorshipDesign virtuel et industriel pour l'apparence des matériaux - ANR-17-CE23-0017
dc.language.isoen
dc.title.enNumerical Analysis of Layered Materials Models
dc.typeRapport
dc.subject.halInformatique [cs]/Synthèse d'image et réalité virtuelle [cs.GR]
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.type.institutionInstitut d'Optique Graduate School
bordeaux.type.institutionUniversité de Bordeaux
bordeaux.type.institutionCNRS
bordeaux.type.institutionINRIA
bordeaux.type.reportrr
hal.identifierhal-02157966
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02157966v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2019-06-17&rft.au=BATI,%20M%C3%A9gane&PACANOWSKI,%20Romain&BARLA,%20Pascal&rft.genre=unknown


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