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Estimation and Modeling of Actual Numerical Errors in Volume Rendering
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7765-1747
Simon Fraser University, Vancouver.
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.ORCID iD: 0000-0002-9466-9826
2010 (English)In: COMPUTER GRAPHICS FORUM, ISSN 0167-7055, Vol. 29, no 3, 893-902 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we study the comprehensive effects on volume rendered images due to numerical errors caused by the use of finite precision for data representation and processing. To estimate actual error behavior we conduct a thorough study using a volume renderer implemented with arbitrary floating-point precision. Based on the experimental data we then model the impact of floating-point pipeline precision, sampling frequency and fixed-point input data quantization on the fidelity of rendered images. We introduce three models, an average model, which does not adapt to different data nor varying transfer functions, as well as two adaptive models that take the intricacies of a new data set and transfer function into account by adapting themselves given a few different images rendered. We also test and validate our models based on new data that was not used during our model building.

Place, publisher, year, edition, pages
Blackwell Publishing Ltd , 2010. Vol. 29, no 3, 893-902 p.
Keyword [en]
Methodology and Techniques—Graphics data structures and data types
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-58963DOI: 10.1111/j.1467-8659.2009.01685.xISI: 000280991300013OAI: oai:DiVA.org:liu-58963DiVA: diva2:347776
Available from: 2010-09-03 Created: 2010-09-03 Last updated: 2015-09-22

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Kronander, JoelUnger, JonasYnnerman, Anders

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CiteExportLink to record
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  • apa
  • harvard1
  • ieee
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  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
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