A Hierarchical Subdivision Algorithm for Stochastic Radiosity Methods

Robert F. Tobler, Alexander Wilkie, Martin Feda, Werner Purgathofer
A Hierarchical Subdivision Algorithm for Stochastic Radiosity Methods
In Eurographics Rendering Workshop 1997, pages 193-204. June 1997.
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Abstract

The algorithm proposed in this paper uses a stochastic approach to incrementally calculate the illumination function over a surface. By tracking the illumination function at different levels of meshing resolution, it is possible to get a measure for the quality of the current representation, and to adoptively subdivide in places with inadequate accuracy. With this technique a hierarchical mesh that is based on the stochastic evaluation of global illumination is generated.

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image2 image2: Standard scene meshing

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@inproceedings{tobler97_hsdasr,
  title =      "A Hierarchical Subdivision Algorithm for Stochastic
               Radiosity Methods",
  author =     "Robert F. Tobler and Alexander Wilkie and Martin Feda and
               Werner Purgathofer",
  year =       "1997",
  abstract =   "The algorithm proposed in this paper uses a stochastic
               approach to incrementally calculate the illumination
               function over a surface. By tracking the illumination
               function at different levels of meshing resolution, it is
               possible to get a measure for the quality of the current
               representation, and to adoptively subdivide in places with
               inadequate accuracy. With this technique a hierarchical mesh
               that is based on the stochastic evaluation of global
               illumination is generated.",
  pages =      "193--204",
  month =      jun,
  organization = "Eurographics",
  address =    "St. Etienne, France",
  booktitle =  "Eurographics Rendering Workshop 1997",
  editor =     "Julie Dorsey and Philipp Slusallek",
  publisher =  "Springer Wien",
  keywords =   "radiosity, monte carlo methods",
  URL =        "http://www.cg.tuwien.ac.at/research/publications/1997/tobler97_hsdasr/",
}