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Interactive global illumination using implicit visibility

Dong, Z; Seidel, H-P; Kautz, J; Theobalt, C; (2007) Interactive global illumination using implicit visibility. In: Proceedings - Pacific Conference on Computer Graphics and Applications. (pp. 77 - 86).

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Abstract

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-implementframework, we are able to reproduce a large variety of complex lighting effects for moderately sized scenes, such as intersections, environment map lighting as well as area light sources. © 2007 IEEE.

Type:Proceedings paper
Title:Interactive global illumination using implicit visibility
DOI:10.1109/PG.2007.38
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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