Interactive Rendering with Arbitrary BRDFs using Separable Approximations

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dc.contributor.authorKautz, Janen_US
dc.contributor.authorMcCool, Michael D.en_US
dc.contributor.editorDani Lischinski and Greg Ward Larsonen_US
dc.date.accessioned2014-01-27T13:43:55Z
dc.date.available2014-01-27T13:43:55Z
dc.date.issued1999en_US
dc.description.abstractA separable decomposition of bidirectional reflectance distributions (BRDFs) is used to implement arbitrary reflectances from point sources on existing graphics hardware. Two-dimensional texture mapping and compositing operations are used to reconstruct samples of the BRDF at every pixel at interactive rates. A change of variables, the Gram-Schmidt halfangle/difference vector parameterization, improves separability. Two decomposition algorithms are also presented. The singular value decomposition (SVD) minimizes RMS error. The normalized decomposition is fast and simple, using no more space than what is required for the final representation.en_US
dc.description.seriesinformationEurographics Workshop on Renderingen_US
dc.identifier.isbn3-211-83382-Xen_US
dc.identifier.issn1727-3463en_US
dc.identifier.urihttps://doi.org/10.2312/EGWR/EGWR99/247-260en_US
dc.publisherThe Eurographics Associationen_US
dc.titleInteractive Rendering with Arbitrary BRDFs using Separable Approximationsen_US
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EGWR99: 10th Eurographics Workshop on Rendering