Radiosity Algorithms Using Higher Order Finite Element Methods
Roy Troutman, Nelson L. Max
Proceedings of SIGGRAPH 93, August 1993, pp. 209--212.
Abstract: Many of the current radiosity algorithms create a piecewise constant approximation to the actual radiosity. Through interpolation and extrapolation, a continuous solution is obtained. An accurate solution is found by increasing the number of patches which describe the scene. This has the effect of increasing the computation time as well as the memory requirements. By using techniques found in the finite element method, we can incorporate an interpolation function directly into our form factor computation. We can then use less elements to achieve a more accurate solution. Two algorithms, derived from the finite element method, are described and analyzed.
Keyword(s): finite elements, form factors, global illumination, radiosity
BibTeX format:
@inproceedings{Troutman:1993:RAU,
  author = {Roy Troutman and Nelson L. Max},
  title = {Radiosity Algorithms Using Higher Order Finite Element Methods},
  booktitle = {Proceedings of SIGGRAPH 93},
  pages = {209--212},
  month = aug,
  year = {1993},
}
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