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Efficient Glossy Global Illumination with Interactive Viewing

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons45540

Stamminger,  Marc
Computer Graphics, MPI for Informatics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons45376

Scheel,  Annette
Computer Graphics, MPI for Informatics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons44520

Granier,  Xavier
Computer Graphics, MPI for Informatics, Max Planck Society;

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Zitation

Stamminger, M., Scheel, A., Granier, X., Perez-Cazorla, F., Drettakis, G., & Sillion, F. (2000). Efficient Glossy Global Illumination with Interactive Viewing. Computer Graphics Forum, 19(1), 13-26.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-349E-1
Zusammenfassung
The ability to perform interactive walkthroughs of global illumination solutions including glossy effects is a challenging open problem. In this paper we overcome certain limitations of previous approaches. We first introduce a novel, memory- and compute-efficient representation of incoming illumination, in the context of a hierarchical radiance clustering algorithm. We then represent outgoing radiance with an adaptive hierarchical basis, in a manner suitable for interactive display. Using appropriate refinement and display strategies, we achieve walkthroughs of glossy solutions at interactive rates for non-trivial scenes. In addition, our implementation has been developed to be portable and easily adaptable as an extension to existing, diffuse-only, hierarchical radiosity systems. We present results of the implementation of glossy global illumination in two independent global illumination systems.