Reconstruction of Sparse Hyperspectral BRDF Measurements Preserving Their Physical and Topological Properties

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dc.contributor.authorMargall, Françoisen_US
dc.contributor.authorCeolato, Romainen_US
dc.contributor.authorCoiro, Ericen_US
dc.contributor.authorMavromatis, Sébastienen_US
dc.contributor.authorPacanowski, Romainen_US
dc.contributor.editorLiu, Lingjieen_US
dc.contributor.editorAverkiou, Melinosen_US
dc.date.accessioned2024-04-30T08:21:09Z
dc.date.available2024-04-30T08:21:09Z
dc.date.issued2024
dc.description.abstractThe measurement of hyperspectral bidirectional reflectance distribution function (BRDF) of a material is a key issue in physically based spectral rendering. We present here a device for measuring BRDF, enabling high spectral sampling (sub-nanometric from 450 nm to 1100 nm) with the counterpart of sparser angular sampling. To overcome this problem, we propose an interpolation method that respects the physical and topological properties of the BRDF by construction. The characteristic properties of the material deduced from the interpolated data set correspond to the reference values obtained using dedicated measuring instruments.en_US
dc.description.sectionheadersPosters
dc.description.seriesinformationEurographics 2024 - Posters
dc.identifier.doi10.2312/egp.20241041
dc.identifier.isbn978-3-03868-239-4
dc.identifier.issn1017-4656
dc.identifier.pages2 pages
dc.identifier.urihttps://doi.org/10.2312/egp.20241041
dc.identifier.urihttps://diglib.eg.org/handle/10.2312/egp20241041
dc.publisherThe Eurographics Associationen_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCCS Concepts: Computing methodologies → Rendering; Mathematics of computing → Topology; Interpolation
dc.subjectComputing methodologies → Rendering
dc.subjectMathematics of computing → Topology
dc.subjectInterpolation
dc.titleReconstruction of Sparse Hyperspectral BRDF Measurements Preserving Their Physical and Topological Propertiesen_US
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