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Conference Paper

Accurate Light Source Acquisition and Rendering

MPS-Authors
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Goesele,  Michael
Computer Graphics, MPI for Informatics, Max Planck Society;

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Granier,  Xavier
Computer Graphics, MPI for Informatics, Max Planck Society;

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Heidrich,  Wolfgang
Computer Graphics, MPI for Informatics, Max Planck Society;

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Seidel,  Hans-Peter
Computer Graphics, MPI for Informatics, Max Planck Society;

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Citation

Goesele, M., Granier, X., Heidrich, W., & Seidel, H.-P. (2003). Accurate Light Source Acquisition and Rendering. In Proceedings of ACM SIGGRAPH 2003 (SIGGRAPH-03) (pp. 621-630). New York, USA: ACM.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-2BE1-B
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.