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15th Pacific Conference on Computer Graphics and Applications (PG'07)
Interactive Global Illumination Using Implicit Visibility
Maui, Hawaii
October 29-November 02
ISBN: 0-7695-3009-5
Rendering global illumination effects for dynamic scenes at interactive frame rates is a computationally challenging task. Much of the computation time needed is spent during visibility queries between individual scene elements, and it is almost illusive to update this information at real-time even for moderately complex scenes. In this paper, we propose a global illumination approach for dynamic scenes that runs at near-real-time frame rates on a single PC. Our method is inspired by the principles of hierarchical radiosity and tackles the visibility problem by implicitly evaluating mutual visibility while constructing a hierarchical link structure between scene elements. By means of the same efficient and easy-to-implement framework, we are able to re- produce a large variety of complex lighting effects for moderately sized scenes, such as interreflections, environment map lighting as well as area light sources.
Citation:
Zhao Dong, Jan Kautz, Christian Theobalt, Hans-Peter Seidel, "Interactive Global Illumination Using Implicit Visibility," pg, pp.77-86, 15th Pacific Conference on Computer Graphics and Applications (PG'07), 2007
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