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  Fast and Accurate Ray-Voxel Intersection Techniques for Iso-Surface Ray Tracing

Marmitt, G., Kleer, A., Friedrich, H., Wald, I., & Slusallek, P. (2004). Fast and Accurate Ray-Voxel Intersection Techniques for Iso-Surface Ray Tracing. In Vision, Modeling, and Visualization 2004 (VMV-04) (pp. 429-435). Berlin: Akademische Verlagsgesellschaft Aka.

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IsoIsec_VMV2004.pdf (Any fulltext), 752KB
 
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 Creators:
Marmitt, Gerd1, Author           
Kleer, Andreas2, Author           
Friedrich, Heiko1, Author           
Wald, Ingo1, Author           
Slusallek, Philipp3, Author
Girod, Bernd3, Editor
Magnor, Marcus4, Editor           
Seidel, Hans-Peter1, Editor           
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2Discrete Optimization, MPI for Informatics, Max Planck Society, ou_1116548              
3External Organizations, ou_persistent22              
4Graphics - Optics - Vision, MPI for Informatics, Max Planck Society, ou_1116549              

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 Abstract: Visualizing iso-surfaces of volumetric data sets is becoming increasingly important for many practical applications. One crucial task in iso-surface ray tracing is to find the correct intersection of a ray with the trilinear-interpolated implicit surface defined by the data values at the vertices of a given voxel. Currently available solutions are either accurate but slow or they provide fast but only approximate solutions. In this paper, we analyze the available techniques and present a new intersection algorithm. We compare and evaluate the new algorithm against previous approaches using both synthetic test cases and real world data sets. The new algorithm is roughly three times faster but provides the same image quality and better numerical stability as previous accurate solutions.

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Language(s): eng - English
 Dates: 2005-05-302004
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 231344
Other: Local-ID: C125675300671F7B-2FFF0E33D4E3EF68C1256F7100563528-marmitt:04:IsoIsec
 Degree: -

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Title: 9th International Workshop on Vision Modeling and Visualization
Place of Event: Stanford, USA
Start-/End Date: 2004-11-16

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Title: Vision, Modeling, and Visualization 2004 (VMV-04)
  Abbreviation : VWV 2004
Source Genre: Proceedings
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Publ. Info: Berlin : Akademische Verlagsgesellschaft Aka
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 429 - 435 Identifier: ISBN: 3-89838-058-0