Numerical Integration for Radiosity in the Presence of Singularities

@inproceedings{Schrder1993NumericalIF,
  title={Numerical Integration for Radiosity in the Presence of Singularities},
  author={Peter Schr{\"o}der},
  year={1993}
}
The radiosity method for computing global illumination in Lambertian environments requires the computation of form factors. These are given by integrals for which some closed form solutions exist. In general however the integrals need to be approximated numerically. Various schemes have been proposed for this computation. Most of these are based on proximity assumptions which break down when surfaces are close to one another. More recently researchers have introduced higher order Galerkin… CONTINUE READING
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