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Reference TypeConference Paper (Conference Proceedings)
Sitesibgrapi.sid.inpe.br
Identifier8JMKD3MGPEW34M/43BFNGB
Repositorysid.inpe.br/sibgrapi/2020/09.30.15.15
Last Update2020:09.30.15.15.35 igorbf97@hotmail.com
Metadatasid.inpe.br/sibgrapi/2020/09.30.15.15.35
Metadata Last Update2020:10.28.20.46.58 administrator
Citation KeyFernandesWalt:2020:BuLBCo
TitleA Bucket LBVH Construction and Traversal Algorithm for Volumetric Sparse Data
FormatOn-line
Year2020
Access Date2021, June 18
Number of Files1
Size777 KiB
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Author1 Fernandes, Igor Batista
2 Walter, Marcelo
Affiliation1 Universidade Federal do Rio Grande do Sul
2 Universidade Federal do Rio Grande do Sul
EditorMusse, Soraia Raupp
Cesar Junior, Roberto Marcondes
Pelechano, Nuria
Wang, Zhangyang (Atlas)
e-Mail Addressigorbf97@hotmail.com
Conference NameConference on Graphics, Patterns and Images, 33 (SIBGRAPI)
Conference LocationVirtual
DateNov. 7-10, 2020
PublisherIEEE Computer Society
Publisher CityLos Alamitos
Book TitleProceedings
Tertiary TypeFull Paper
History2020-09-30 15:15:35 :: igorbf97@hotmail.com -> administrator ::
2020-10-28 20:46:58 :: administrator -> igorbf97@hotmail.com :: 2020
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Content TypeExternal Contribution
KeywordsVolumetric rendering, BVH, LBVH.
AbstractMany volumetric rendering algorithms use spatial 3D grids as the underlying data structure. Efficient representation, construction, and traversal of these grids are essential to achieve real-time performance, particularly for time-varying data such as in fluid simulations. In this paper, we present improvements on algorithms for building and traversing Bounding Volume Hierarchies (BVH) designed for sparse volumes. Our main insight was to simplify data layout representation by grouping voxels in buckets, preserving their spatiality using Morton codes, instead of using bricks, as current solutions use. Our solution does not use pointers nor stacks, allowing for its usage directly on computing shaders and provides, on average, 9.3x improvement in construction speed, compared with state-of-the-art approaches for Linear Bounding Volume Hierarchies (LBVH).
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zipped data URLhttp://urlib.net/zip/8JMKD3MGPEW34M/43BFNGB
Languageen
Target FileBucket_LBVH.pdf
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Mirror Repositorysid.inpe.br/banon/2001/03.30.15.38.24
Next Higher Units8JMKD3MGPEW34M/43G4L9S
Host Collectionsid.inpe.br/banon/2001/03.30.15.38
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