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Mixing Monte Carlo and progressive rendering for improved global illumination / Ian C Doidge; Mark W Jones; Benjamin Mora

The Visual Computer, Volume: 28, Issue: 6-8, Pages: 603 - 612

Swansea University Author: Jones, Mark

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Abstract

In this paper, we seek to eliminate the noise caused by caustic paths during progressive Monte Carlo path tracing. We employ a filtering strategy over path space, handling each subspace using specialized derivations of path tracing and progressive photon mapping. Evaluating diffuse paths with path t...

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Published in: The Visual Computer
ISSN: 0178-2789 1432-2315
Published: 2012
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URI: https://cronfa.swan.ac.uk/Record/cronfa15065
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Abstract: In this paper, we seek to eliminate the noise caused by caustic paths during progressive Monte Carlo path tracing. We employ a filtering strategy over path space, handling each subspace using specialized derivations of path tracing and progressive photon mapping. Evaluating diffuse paths with path tracing allows the use of sample stratification over both pixels and the image as a whole, whilst sharp detailed caustics are produced using progressive photon mapping. This is an efficient, low noise progressive algorithm with vanishing bias combining the advantages of both Monte Carlo methods, and particle tracing.
College: College of Science
Issue: 6-8
Start Page: 603
End Page: 612