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Detecting Vortical Phenomena in Vector Data by Medium-Scale Correlation

Pagendarm, H.-G. and Henne, B. and Rütten, M. (1999) Detecting Vortical Phenomena in Vector Data by Medium-Scale Correlation. ACM. IEEE Visualization 1999, San Francisco/USA, 24.-29. Oktober 1999.

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Abstract

The detection of vortical phenomena in vector data is one of the key issues in many technical applications, in particular in flow visualization. Many existing approaches rely on purely local evaluation of the vector data. In order to overcome the limits of a local approach we choose to combine a local method with a correlation of a pre-defined generic vortex with the data in a medium-scale region. Two different concepts of a generic vortices were tested on various sets of flow velocity vector data. The approach is not limited to the two generic patterns suggested here. The method was found to successfully detect vortices in cases were other methods fail.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Detecting Vortical Phenomena in Vector Data by Medium-Scale Correlation
Authors:
AuthorsInstitution or Email of Authors
Pagendarm, H.-G.UNSPECIFIED
Henne, B.UNSPECIFIED
Rütten, M.UNSPECIFIED
Date:1999
Editors:
EditorsEmail
IEEE, UNSPECIFIED
Publisher:ACM
Status:Published
Keywords:vortex detection, flow visualization, feature extraction
Event Title:IEEE Visualization 1999, San Francisco/USA, 24.-29. Oktober 1999
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:38

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