View-independent Environment Maps

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dc.contributor.authorHeidrich, Wolfgangen_US
dc.contributor.authorSeidel, Hans-Peteren_US
dc.contributor.editorS. N. Spenceren_US
dc.date.accessioned2014-02-06T15:01:26Z
dc.date.available2014-02-06T15:01:26Z
dc.date.issued1998en_US
dc.description.abstractEnvironment maps are widely used for approximating reflections in hardware-accelerated rendering applications. Unfortunately, the parameterizations for environment maps used in today s graphics hardware severely undersample certain directions, and can thus not be used from multiple viewing directions. Other parameterizations exist, but require operations that would be too expensive for hardware implementations. In this paper we introduce an inexpensive new parameterization for environment maps that allows us to reuse the environment map for any given viewing direction. We describe how, under certain restrictions, these maps can be used today in standard OpenGL implementations. Furthermore, we explore how OpenGL could be extended to support this kind of environment map more directly.en_US
dc.description.seriesinformationSIGGRAPH/Eurographics Workshop on Graphics Hardwareen_US
dc.identifier.isbn0-89791-097-Xen_US
dc.identifier.issn1727-3471en_US
dc.identifier.urihttps://doi.org/10.2312/EGGH/EGGH98/039-045en_US
dc.publisherThe Eurographics Associationen_US
dc.subject1.3.1 [Computer Graphics]en_US
dc.subjectHardware Architectureen_US
dc.subjectGraphics processorsen_US
dc.subject1.3.3 [Computer Graphics]en_US
dc.subjectPicture/Image Generationen_US
dc.subjectBitmap and framebuffer operationsen_US
dc.subject1.3.6 [Computer Graphics]en_US
dc.subjectMethodology and Techniquesen_US
dc.subjectStandards 1.3.7 [Computer Graphics]en_US
dc.subjectThreeen_US
dc.subjectDimensional Graphics and Realismen_US
dc.subjectColoren_US
dc.subjectShadingen_US
dc.subjectShadowing and Texture 1.4.1 [Image Processing and Computer Vision]en_US
dc.subjectDigitization and Image Capture ~en_US
dc.subjectSamplingen_US
dc.titleView-independent Environment Mapsen_US
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EGGH98: SIGGRAPH/Eurographics Workshop on Graphics Hardware 1998