Density Estimation on Delaunay Triangulations

Leif Kobbelt, Marc Stamminger, Hans-Peter Seidel
IMDSP '98, IEEE conference proceedings, 1998, pp. 307-310

Density Estimation is a very popular method to compute global illumination solutions in a complex virtual scene. After simulating the reflection paths of a large number of photons in the scene, the illumination at a surface point is approximated by estimating the density of photon hits in the point's surrounding. In this paper we describe a novel approach to compute such a density approximation based on Delaunay triangulation and mesh modification techniques.

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