Article

A practical analytic single scattering model for real time rendering

Authors:

Ravi Ramamoorthi,

Srinivasa G. Narasimhan,

Shree K. NayarAuthors Info & Claims

SIGGRAPH '05: ACM SIGGRAPH 2005 Papers

Pages 1040 - 1049

https://doi.org/10.1145/1186822.1073309

Published: 01 July 2005 Publication History

Abstract

We consider real-time rendering of scenes in participating media, capturing the effects of light scattering in fog, mist and haze. While a number of sophisticated approaches based on Monte Carlo and finite element simulation have been developed, those methods do not work at interactive rates. The most common real-time methods are essentially simple variants of the OpenGL fog model. While easy to use and specify, that model excludes many important qualitative effects like glows around light sources, the impact of volumetric scattering on the appearance of surfaces such as the diffusing of glossy highlights, and the appearance under complex lighting such as environment maps. In this paper, we present an alternative physically based approach that captures these effects while maintaining real time performance and the ease-of-use of the OpenGL fog model. Our method is based on an explicit analytic integration of the single scattering light transport equations for an isotropic point light source in a homogeneous participating medium. We can implement the model in modern programmable graphics hardware using a few small numerical lookup tables stored as texture maps. Our model can also be easily adapted to generate the appearances of materials with arbitrary BRDFs, environment map lighting, and precomputed radiance transfer methods, in the presence of participating media. Hence, our techniques can be widely used in real-time rendering.

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Cited By

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Li CYu HZhou SLiu ZGuo YYin XZhang W(2023)Efficient Dehazing Method for Outdoor and Remote Sensing ImagesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing10.1109/JSTARS.2023.327477916(4516-4528)Online publication date: 2023
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A practical analytic single scattering model for real time rendering

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cover image ACM Conferences

SIGGRAPH '05: ACM SIGGRAPH 2005 Papers

July 2005

826 pages

ISBN:9781450378253

DOI:10.1145/1186822

Editor:
Markus Gross
Eidgenössische Technische Hochschule Zürich

Copyright © 2005 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 01 July 2005

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SIGGRAPH '05 Paper Acceptance Rate 98 of 461 submissions, 21%;

Overall Acceptance Rate 1,822 of 8,601 submissions, 21%

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Cited By

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https://doi.org/10.1109/TVCG.2021.3135764
Li CYu HZhou SLiu ZGuo YYin XZhang W(2023)Efficient Dehazing Method for Outdoor and Remote Sensing ImagesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing10.1109/JSTARS.2023.327477916(4516-4528)Online publication date: 2023
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Muñoz‐Pandiella IBosch CMérillou NPueyo XMérillou S(2017)Real‐Time Solar Exposure Simulation in Complex CitiesComputer Graphics Forum10.1111/cgf.1315236:8(554-566)Online publication date: 4-May-2017
https://doi.org/10.1111/cgf.13152
Koskela TVatjus-Anttila J(2015)Optimization Techniques for 3D Graphics Deployment on Mobile Devices3D Research10.1007/s13319-015-0040-06:1(1-27)Online publication date: 1-Mar-2015
https://dl.acm.org/doi/10.1007/s13319-015-0040-0
Billeter MSintorn EAssarsson UGarland MWang RMeenakshisundaram GYoon S(2012)Real-time multiple scattering using light propagation volumesProceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games10.1145/2159616.2159636(119-126)Online publication date: 9-Mar-2012
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Kulla CFajardo M(2012)Importance Sampling Techniques for Path Tracing in Participating MediaComputer Graphics Forum10.1111/j.1467-8659.2012.03148.x31:4(1519-1528)Online publication date: 1-Jun-2012
https://dl.acm.org/doi/10.1111/j.1467-8659.2012.03148.x
Engel KHadwiger MKniss JRezk-Salama CWeiskopf D(2011)BibliographyReal-Time Volume Graphics10.1201/b10629-19(461-488)Online publication date: 24-Mar-2011
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Delalandre CGautron PMarvie JFrançois GGarland MWang R(2011)Transmittance function mappingSymposium on Interactive 3D Graphics and Games10.1145/1944745.1944751(31-38)Online publication date: 18-Feb-2011
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Billeter MSintorn EAssarsson UHensley JSlusallek PMcAllister DGribble C(2010)Real time volumetric shadows using polygonal light volumesProceedings of the Conference on High Performance Graphics10.5555/1921479.1921487(39-45)Online publication date: 25-Jun-2010
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Pegoraro VSchott MParker S(2010)A closed-form solution to single scattering for general phase functions and light distributionsProceedings of the 21st Eurographics conference on Rendering10.1111/j.1467-8659.2010.01732.x(1365-1374)Online publication date: 28-Jun-2010
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