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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/8459

Title: Real-time, all-frequency shadows in dynamic scenes
Authors: Annen, Thomas
Dong, Z
BEKAERT, Philippe
Seidel, P
Kautz, J
Issue Date: 2008
Citation: ACM TRANSACTIONS ON GRAPHICS, 27(3). p. 34-34
Abstract: Shadow computation in dynamic scenes under complex illumination is a challenging problem. Methods based on precomputation provide accurate real-time solutions, but are hard to extend to dynamic scenes. Specialized approaches for soft shadows can deal with dynamic objects but are not fast enough to handle more than one light source. In this paper, we present a technique for rendering dynamic objects under arbitrary environment illumination, which does not require any precomputation. The key ingredient is a fast, approximate technique for computing soft shadows, which achieves several hundred frames per second for a single light source. This allows for approximating environment illumination with a sparse collection of area light sources and yields real-time frame rates.
Notes: Hasselt Univ, tUL IBBT, EDM, Diepenbeek, Belgium. UCL, London WC1E 6BT, England.
URI: http://hdl.handle.net/1942/8459
Link to publication: http://doi.acm.org/10.1145/1360612.1360633
ISI #: 000258262000023
ISSN: 0730-0301
Category: A1
Type: Journal Contribution
Validation: ecoom, 2009
Appears in Collections: Research publications

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