Reference TypeConference Proceedings
Citation KeyEspinhaCele:2005:HiHaRa
Author1 Espinha, Rodrigo
2 Celes, Waldemar
Affiliation1 Tecgraf / PUC-Rio
TitleHigh-quality hardware-based ray-casting volume rendering using partial pre-integration
Conference NameBrazilian Symposium on Computer Graphics and Image Processing, 18 (SIBGRAPI)
EditorRodrigues, Maria Andréia Formico
Frery, Alejandro César
Book TitleProceedings
Date9-12 Oct. 2005
Publisher CityLos Alamitos
PublisherIEEE Computer Society
Conference LocationNatal
Keywordsvolume rendering, unstructured meshes, ray-casting, partial pre-integration.
AbstractIn this paper, we address the problem of the interactive volume rendering of unstructured meshes and propose a new hardware-based ray-casting algorithm using partial pre-integration. The proposed algorithm makes use of modern programmable graphics card and achieves rendering rates competitive with full pre-integration approaches (up to 2M tet/sec). This algorithm allows the interactive modification of the transfer function and results in high-quality images, since no artifact due to under-sampling the full numerical pre-integration exists. We also compare our approach with implementations of cell-projection algorithm and demonstrate that ray-casting can perform better than cell projection, because it eliminates the high costs involved in ordering and transferring data.
Tertiary TypeFull Paper
Size546 KiB
Number of Files1
Target Fileespinhar_quality.pdf
Last Update2005: administrator
Metadata Last Update2020: administrator {D 2005}
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2008-08-26 15:17:02 :: banon -> administrator ::
2009-08-13 20:37:49 :: administrator -> banon ::
2010-08-28 20:01:18 :: banon -> administrator ::
2020-02-19 03:19:14 :: administrator -> :: 2005
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Access Date2020, Nov. 28