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Generating arbitrarily sized interrogation windows for correlation-based analysis of particle image velocimetry recordings

Generating arbitrarily sized interrogation windows for correlation-based analysis of particle...  We describe a technique that allows an arbitrary size of the interrogation window when using the traditional FFT algorithm in analysing PIV recordings by either cross- or auto-correlation methods. The length and width of the effective interrogation window are no longer required to be composed of a number of pixels making a power of 2 (16, 32, 64 etc). This gives a higher flexibility in selecting the appropriate window size. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Generating arbitrarily sized interrogation windows for correlation-based analysis of particle image velocimetry recordings

Experiments in Fluids , Volume 24 (1) – Jan 26, 1998

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References (4)

Publisher
Springer Journals
Copyright
Copyright © 1998 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
DOI
10.1007/s003480050151
Publisher site
See Article on Publisher Site

Abstract

 We describe a technique that allows an arbitrary size of the interrogation window when using the traditional FFT algorithm in analysing PIV recordings by either cross- or auto-correlation methods. The length and width of the effective interrogation window are no longer required to be composed of a number of pixels making a power of 2 (16, 32, 64 etc). This gives a higher flexibility in selecting the appropriate window size.

Journal

Experiments in FluidsSpringer Journals

Published: Jan 26, 1998

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