ALGORITHMS

PARALLEL REAL-TIME RADIOSITY

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Description:

This application demonstrates how parallel architectures are being used to render scenes in real time or close-to-real-time using physically based lighting models (in particular, radiosity). For VROOM, we rendered variuos interior room scenes using a parallel formulation of the Progressive Refinement algorithm.

Virtual reality is helping to determine which components of global illumination models are important to provide users with a level of realism beyond standard lighting models. Implementing the algorithms for radiosity and other physically based techniques in virtual reality helps focus the work on the areas that are most in need of improvement - for example, performance enhancements using parallel architectures, better modeling of the physics of light transport, human perception issues, and other areas.

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Acknowledgements:

This work is supported in part by National Science Foundation grant IRI-9213822 and grant CDA-9303433, which includes support from the Advanced Research Projects Agency. Special thanks to Tom DeFanti, Dan Sandin, and Maxine Brown of the Electronic Visualization Laboratory; Peter Schroeder of Princeton University for his closed-form factor library; and, Peter Shirley of Indiana University for sample modeling databases.

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Collaborators:

Jon Goldman
Craig Barnes

Electronic Visualization Laboratory, University of Illinois at Chicago

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Contact:

Jon Goldman

Electronic Visualization Laboratory
University of Illinois at Chicago
851 South Morgan Street, Room 1120
Chicago, IL 60607-7053 USA

goldman@eecs.uic.edu

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