Incremental Updates for Rapid Glossy Global Illumination (2001)
| Venue: | Computer Graphics Forum |
| Citations: | 23 - 1 self |
BibTeX
@ARTICLE{Granier01incrementalupdates,
author = {Xavier Granier and George Drettakis},
title = {Incremental Updates for Rapid Glossy Global Illumination},
journal = {Computer Graphics Forum},
year = {2001},
volume = {20},
pages = {268--277}
}
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Abstract
We present an integrated global illumination algorithm including non-diffuse light transport which can handle complex scenes and enables rapid incremental updates. We build on a unified algorithm which uses hierarchical radiosity with clustering and particle tracing for diffuse and non-diffuse transport respectively. We present a new algorithm which chooses between reconstructing specular effects such as caustics on the diffuse radiosity mesh, or special purpose caustic textures, when high frequencies are present. Algorithms are presented to choose the resolution of these textures and to reconstruct the high-frequency non-diffuse lighting effects. We use a dynamic spatial data structure to restrict the number of particles re-emitted during the local modifications of the scene.
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