IlluminationCut

We present a novel algorithm, IlluminationCut, for rendering images using the many‐lights framework. It handles any light source that can be approximated with virtual point lights (VPLs) as well as highly glossy materials. The algorithm extends the Multidimensional Lightcuts technique by effectively...

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Vydané v:	Computer graphics forum Ročník 34; číslo 2; s. 561 - 573
Hlavní autori:	Bus, N., Mustafa, N. H., Biri, V.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Oxford Blackwell Publishing Ltd 01.05.2015
Predmet:	Adaptive sampling Algorithms Analysis and texture Approximation Categories and Subject Descriptors (according to ACM CCS) Clusters Computer graphics Handles I.3.7 [Computer Graphics]: Color I.3.7 [Computer Graphics]: Color, shading, shadowing, and texture Image processing systems Light Queries Rendering shading shadowing State of the art Studies
ISSN:	0167-7055, 1467-8659
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Abstract	We present a novel algorithm, IlluminationCut, for rendering images using the many‐lights framework. It handles any light source that can be approximated with virtual point lights (VPLs) as well as highly glossy materials. The algorithm extends the Multidimensional Lightcuts technique by effectively creating an illumination‐aware clustering of the product‐space of the set of points to be shaded and the set of VPLs. Additionally, the number of visibility queries for each product‐space cluster is reduced by using an adaptive sampling technique. Our framework is flexible and achieves around 3 – 6 times speedup over previous state‐of‐the‐art methods.
AbstractList	We present a novel algorithm, IlluminationCut, for rendering images using the many-lights framework. It handles any light source that can be approximated with virtual point lights (VPLs) as well as highly glossy materials. The algorithm extends the Multidimensional Lightcuts technique by effectively creating an illumination-aware clustering of the product-space of the set of points to be shaded and the set of VPLs. Additionally, the number of visibility queries for each product-space cluster is reduced by using an adaptive sampling technique. Our framework is flexible and achieves around 3 - 6 times speedup over previous state-of-the-art methods. We present a novel algorithm, IlluminationCut, for rendering images using the many‐lights framework. It handles any light source that can be approximated with virtual point lights (VPLs) as well as highly glossy materials. The algorithm extends the Multidimensional Lightcuts technique by effectively creating an illumination‐aware clustering of the product‐space of the set of points to be shaded and the set of VPLs. Additionally, the number of visibility queries for each product‐space cluster is reduced by using an adaptive sampling technique. Our framework is flexible and achieves around 3 – 6 times speedup over previous state‐of‐the‐art methods.
Author	Mustafa, N. H. Biri, V. Bus, N.
Author_xml	– sequence: 1 givenname: N. surname: Bus fullname: Bus, N. email: busn@esiee.fr organization: Université Paris Est, LIGM, CNRS(UMR 8049) – sequence: 2 givenname: N. H. surname: Mustafa fullname: Mustafa, N. H. email: mustafan@esiee.fr organization: Université Paris Est, LIGM, A3SI-ESIEE – sequence: 3 givenname: V. surname: Biri fullname: Biri, V. email: biri@u-pem.fr organization: Université Paris Est, LIGM, CNRS(UMR 8049)
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Cites_doi	10.1145/358728.358741 10.1145/258734.258769 10.1145/1073204.1073318 10.1007/3-540-31186-6_15 10.1145/1457515.1409082 10.1145/1882261.1866169 10.1145/2185520.2185555 10.1145/258734.258775 10.1145/1778765.1778849 10.1111/cgf.12149 10.1111/j.1467-8659.2010.01786.x 10.1145/1276377.1276410 10.1145/2504459.2504515 10.1145/2601097.2601199 10.1145/1618452.1618489 10.1109/TVCG.2013.21 10.1145/2070781.2024213 10.1201/b10685 10.1145/2343483.2343490 10.1145/1179352.1141997 10.1111/j.1467-8659.2012.03136.x
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Copyright	2015 The Author(s) Computer Graphics Forum © 2015 The Eurographics Association and John Wiley & Sons Ltd. Published by John Wiley & Sons Ltd. 2015 The Eurographics Association and John Wiley & Sons Ltd.
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Snippet	We present a novel algorithm, IlluminationCut, for rendering images using the many‐lights framework. It handles any light source that can be approximated with... We present a novel algorithm, IlluminationCut, for rendering images using the many-lights framework. It handles any light source that can be approximated with...
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SubjectTerms	Adaptive sampling Algorithms Analysis and texture Approximation Categories and Subject Descriptors (according to ACM CCS) Clusters Computer graphics Handles I.3.7 [Computer Graphics]: Color I.3.7 [Computer Graphics]: Color, shading, shadowing, and texture Image processing systems Light Queries Rendering shading shadowing State of the art Studies
Title	IlluminationCut
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