Optimizing Environment Maps for Material Depiction

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dc.contributor.authorBousseau, Adrienen_US
dc.contributor.authorChapoulie, Emmanuelleen_US
dc.contributor.authorRamamoorthi, Ravien_US
dc.contributor.authorAgrawala, Maneeshen_US
dc.contributor.editorRavi Ramamoorthi and Erik Reinharden_US
dc.date.accessioned2015-02-27T14:44:52Z
dc.date.available2015-02-27T14:44:52Z
dc.date.issued2011en_US
dc.description.abstractWe present an automated system for optimizing and synthesizing environment maps that enhance the appearance of materials in a scene. We first identify a set of lighting design principles for material depiction. Each principle specifies the distinctive visual features of a material and describes how environment maps can emphasize those features. We express these principles as linear or quadratic image quality metrics, and present a general optimization framework to solve for the environment map that maximizes these metrics. We accelerate metric evaluation using an approach dual to precomputed radiance transfer (PRT). In contrast to standard PRT that integrates light transport over the lighting domain to generate an image, we pre-integrate light transport over the image domain to optimize for lighting. Finally we present two techniques for transforming existing photographic environment maps to better emphasize materials. We demonstrate the effectiveness of our approach by generating environment maps that enhance the depiction of a variety of materials including glass, metal, plastic, marble and velvet.en_US
dc.description.seriesinformationComputer Graphics Forumen_US
dc.identifier.issn1467-8659en_US
dc.identifier.urihttps://doi.org/10.1111/j.1467-8659.2011.01975.xen_US
dc.publisherThe Eurographics Association and Blackwell Publishing Ltd.en_US
dc.titleOptimizing Environment Maps for Material Depictionen_US
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EGSR11: 22th Eurographics Symposium on Rendering