Accurate light source acquisition and rendering

Authors:
Michael Goesele;Xavier Granier;Wolfgang Heidrich;Hans-Peter Seidel
Affiliations:
MPI Informatik;The University of British Columbia;The University of British Columbia;MPI Informatik
Venue:
ACM SIGGRAPH 2003 Papers
Year:
2003

Citing 7
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Abstract

Realistic image synthesis requires both complex and realistic models of real-world light sources and efficient rendering algorithms to deal with them. In this paper, we describe a processing pipeline for dealing with complex light sources from acquisition to global illumination rendering. We carefully design optical filters to guarantee high precision measurements of real-world light sources. We discuss two practically feasible setups that allow us to measure light sources with different characteristics. Finally, we introduce an efficient importance sampling algorithm for our representation that can be used, for example, in conjunction with Photon Maps.