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Accurate Light Source Acquisition and Rendering

By Michael Goesele, Xavier Granier, Wolfgang Heidrich and Hans-peter Seidel

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\ud 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.\u

Topics: – Global Illumination, Rendering – Image-based Rendering
Publisher: ACM
Year: 2003
OAI identifier: oai:CiteSeerX.psu:10.1.1.134.3352
Provided by: CiteSeerX
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