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Reference TypeConference Paper (Conference Proceedings)
Sitesibgrapi.sid.inpe.br
Identifier8JMKD3MGPBW34M/3JMQDLB
Repositorysid.inpe.br/sibgrapi/2015/06.20.05.12
Last Update2015:06.20.05.12.18 (UTC) giovani.meneghel@gmail.com
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Metadata Last Update2020:02.19.02.14.04 (UTC) administrator
Citation KeyMeneghelNett:2015:CoGlIl
TitleA Comparison of Global Illumination Methods Using Perceptual Quality Metrics
FormatOn-line
Year2015
Access Date2021, Nov. 30
Number of Files1
Size5998 KiB
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Author1 Meneghel, Giovani Balen
2 Netto, Marcio Lobo
Affiliation1 Escola Politecnica, Universidade de Sao Paulo
2 Escola Politecnica, Universidade de Sao Paulo
EditorPapa, Joćo Paulo
Sander, Pedro Vieira
Marroquim, Ricardo Guerra
Farrell, Ryan
e-Mail Addressgiovani.meneghel@gmail.com
Conference NameConference on Graphics, Patterns and Images, 28 (SIBGRAPI)
Conference LocationSalvador
DateAug. 26-29, 2015
PublisherIEEE Computer Society
Publisher CityLos Alamitos
Book TitleProceedings
Tertiary TypeFull Paper
History (UTC)2015-06-20 05:12:18 :: giovani.meneghel@gmail.com -> administrator ::
2020-02-19 02:14:04 :: administrator -> :: 2015
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Transferable1
Content TypeExternal Contribution
KeywordsGlobal illumination
Image synthesis
Image quality metrics
Perceptual quality
Ray tracing
AbstractThis work aims to build a comparison basis for analyzing global illumination methods. We have compared six state-of-the-art global illumination methods, ranging from Monte Carlo Path Tracing techniques to Density Estimation methods such as Progressive Photon Mapping, and the mixture approach Vertex Connection and Merging, using nine test scenes with very different characteristics, including many different light types, illumination conditions and BRDFs, exploring many different light scattering events. In order to compare results, the perceptual quality metrics SSIM and HDR-VDP-2 were used. We provide a complete set of convergence rate curves and results for all test scenes and all analyzed methods. We also discuss strategies to generate reference images for each case. We concluded that in general cases the overhead introduced by BPT and VCM is well compensated by the quality of the produced images, however VCM can handle more interesting effects. We also showed there are usual cases such as interiors with strong indirect illumination in which Light Tracing method excels.
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Languageen
Target FileA Comparison of Global Illumination Methods Using Perceptual Quality Metrics.pdf
User Groupgiovani.meneghel@gmail.com
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Next Higher Units8JMKD3MGPBW34M/3K24PF8
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