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  Full-field correlation-based image processing for PIV

Nobach, H., Ouellette, N. T., Bodenschatz, E., & Tropea, C. (2005). Full-field correlation-based image processing for PIV. California Institute of Technology, Pasadena (CA), USA: M. Gharib.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-1559-0 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000C-FF74-3
Genre: Konferenzband

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 Urheber:
Nobach, Holger1, Autor           
Ouellette, Nicholas T.1, Autor           
Bodenschatz, Eberhard1, Autor                 
Tropea, C., Autor
Affiliations:
1Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063287              

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 Zusammenfassung: Due to its high robustness, correlation-based particle image velocimetry (PIV) has become the prime choice for processing image-based flow measurements in fluid dynamics experiments. However, in recent years, whole-field techniques like optical flow methods have been successfully applied to this kind of images. To avoid the dependence of optical flow methods on intensity variations and to combine the robustness of the correlation-based PIV technique with the whole-field flow description of the optical flow method, a hybrid estimation procedure has been developed. It is an iterative method, optimizing a dense, hypothetical velocity field with respect to vanishing residual displacements, obtained by image correlation.

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 Datum: 2005-09
 Publikationsstatus: Erschienen
 Seiten: 11 pages
 Ort, Verlag, Ausgabe: California Institute of Technology, Pasadena (CA), USA : M. Gharib
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 281406
 Art des Abschluß: -

Veranstaltung

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Titel: 6th International Symposium on Particle Image Velocimetry
Veranstaltungsort: Pasadena, California, USA
Start-/Enddatum: 2005-09-21 - 2005-09-23

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