Description and Solution of an Unreported Intrinsic Bias in Photon Mapping Density Estimation with Constant Kernel
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2012Pay-Per-View via TIB Hannover:
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This paper presents an analysis of the irradiance estimator often used in photon mapping algorithms and concludes that the classical approach with a constant kernel overestimates the correct value. We propose a new estimator that solves this problem and provide both theoretical and empirical studies to verify it.
BibTeX
@article {10.1111:j.1467-8659.2011.02081.x,
journal = {Computer Graphics Forum},
title = {{Description and Solution of an Unreported Intrinsic Bias in Photon Mapping Density Estimation with Constant Kernel}},
author = {García, R. and Ureña, C. and Sbert, M.},
year = {2012},
publisher = {The Eurographics Association and Blackwell Publishing Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/j.1467-8659.2011.02081.x}
}
journal = {Computer Graphics Forum},
title = {{Description and Solution of an Unreported Intrinsic Bias in Photon Mapping Density Estimation with Constant Kernel}},
author = {García, R. and Ureña, C. and Sbert, M.},
year = {2012},
publisher = {The Eurographics Association and Blackwell Publishing Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/j.1467-8659.2011.02081.x}
}