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Visualization by Example - A Constructive Visual Component-Based Interface for Direct Volume Rendering
University of Auckland, New Zealand.
University of Auckland, New Zealand.
University of Münster, Germany.
2010 (English)In: GRAPP 2010, 2010, 254-259 p.Conference paper, Published paper (Other academic)
Abstract [en]

The effectiveness of direct volume rendered images depends on finding transfer functions which emphasize structures in the underlying data. In order to support this process, we present a spreadsheet-like constructive visual component-based interface, which also allows novice users to efficiently find meaningful transfer functions. The interface uses a programming-by-example style approach and exploits the domain knowledge of the user without requiring visualization knowledge. Therefore, our application automatically analysis histograms with the Douglas-Peucker algorithm in order to identify potential structures in the data set. Sample visualizations of the resulting structures are presented to the user who can refine and combine them to more complex visualizations. Preliminary tests confirm that the interface is easy to use, and enables non-expert users to identify structures which they could not reveal with traditional transfer function editors.

Place, publisher, year, edition, pages
2010. 254-259 p.
Keyword [en]
Direct volume rendering, transfer functions, visual interfaces, visualizations, histograms
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:liu:diva-93201OAI: oai:DiVA.org:liu-93201DiVA: diva2:623433
Conference
International Conference on Computer Graphics Theory and Applications, 17-21 May, Angers, France
Note

Short paper

Available from: 2013-05-27 Created: 2013-05-27 Last updated: 2013-06-04

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Computer and Information Science

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf