research-article

Hierarchical Photon Mapping

Authors:

Ben Spencer,

Mark W. JonesAuthors Info & Claims

IEEE Transactions on Visualization and Computer Graphics, Volume 15, Issue 1

Pages 49 - 61

https://doi.org/10.1109/TVCG.2008.67

Published: 01 January 2009 Publication History

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Abstract

Photon mapping is an efficient method for producing high-quality, photorealistic images with full global illumination. In this paper we present a more accurate and efficient approach to final gathering using the photon map based upon hierarchical evaluation of the photons over each surface. We use the footprint of each gather ray to calculate the irradiance estimate area rather than deriving it from the local photon density. We then describe an efficient method for computing the irradiance from the photon map given an arbitrary estimate area. Finally, we demonstrate how the technique may be used to reduce variance and increase efficiency when sampling diffuse and glossy-specular BRDFs.

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Lin ZLi SZeng XZhang CJia JWang GManocha D(2020)CPPMACM Transactions on Graphics10.1145/3414685.341782239:6(1-12)Online publication date: 27-Nov-2020
https://dl.acm.org/doi/10.1145/3414685.3417822
Hachisuka TJarosz WBouchard GChristensen PFrisvad JJakob WJensen HKaschalk MKnaus CSelle ASpencer B(2012)State of the art in photon density estimationACM SIGGRAPH 2012 Courses10.1145/2343483.2343489(1-469)Online publication date: 5-Aug-2012
https://dl.acm.org/doi/10.1145/2343483.2343489
Jakob WRegg CJarosz W(2011)Progressive expectation-maximization for hierarchical volumetric photon mappingProceedings of the Twenty-second Eurographics conference on Rendering10.1111/j.1467-8659.2011.01988.x(1287-1297)Online publication date: 27-Jun-2011
https://dl.acm.org/doi/10.1111/j.1467-8659.2011.01988.x

Index Terms

Hierarchical Photon Mapping
1. Computing methodologies
  1. Artificial intelligence
    1. Computer vision
  2. Computer graphics
    1. Animation

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cover image IEEE Transactions on Visualization and Computer Graphics

IEEE Transactions on Visualization and Computer Graphics Volume 15, Issue 1

January 2009

176 pages

ISSN:1077-2626

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IEEE Educational Activities Department

United States

Publication History

Published: 01 January 2009

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Lin ZLi SZeng XZhang CJia JWang GManocha D(2020)CPPMACM Transactions on Graphics10.1145/3414685.341782239:6(1-12)Online publication date: 27-Nov-2020
https://dl.acm.org/doi/10.1145/3414685.3417822
Hachisuka TJarosz WBouchard GChristensen PFrisvad JJakob WJensen HKaschalk MKnaus CSelle ASpencer B(2012)State of the art in photon density estimationACM SIGGRAPH 2012 Courses10.1145/2343483.2343489(1-469)Online publication date: 5-Aug-2012
https://dl.acm.org/doi/10.1145/2343483.2343489
Jakob WRegg CJarosz W(2011)Progressive expectation-maximization for hierarchical volumetric photon mappingProceedings of the Twenty-second Eurographics conference on Rendering10.1111/j.1467-8659.2011.01988.x(1287-1297)Online publication date: 27-Jun-2011
https://dl.acm.org/doi/10.1111/j.1467-8659.2011.01988.x

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Combining light animation with obscurances for glossy environments: Research Articles

Progressive photon mapping

Progressive photon mapping

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