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Galilean Invariant Extraction and Iconic Representation of Vortex Core Lines
Zuse Institute Berlin. (Visualization and Data Analysis)ORCID iD: 0000-0002-1498-9062
2005 (English)In: Proc. Eurographics / IEEE VGTC Symposium on Visualization (EuroVis ’05), 2005, 151-160 p.Conference paper (Refereed)Text
Abstract [en]

While vortex region quantities are Galilean invariant, most methods for extracting vortex cores depend on the frame of reference. We present an approach to extracting vortex core lines independently of the frame of reference by extracting ridge and valley lines of Galilean invariant vortex region quantities. We discuss a generalization of this concept leading to higher dimensional features. For the visualization of extracted line features we use an iconic representation indicating their scale and extent. We apply our approach to datasets from numerical simulations and experimental measurements.

Place, publisher, year, edition, pages
2005. 151-160 p.
Keyword [en]
3D flow visualization, feature extraction, vortex core lines, vortex quantities
National Category
Computer Science
Research subject
Computer Science; SRA - E-Science (SeRC)
URN: urn:nbn:se:kth:diva-184740OAI: diva2:916768
Eurographics / IEEE VGTC Symposium on Visualization (EuroVis ’05)

QC 20160405

Available from: 2016-04-04 Created: 2016-04-04 Last updated: 2016-04-05Bibliographically approved

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Weinkauf, Tino
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