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Experiments in Fluids

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01.10.2014 | Research Article

Effect of linear image processing on the depth of correlation in micro PIV

verfasst von: B. Mustin, B. Stoeber

Erschienen in: Experiments in Fluids | Ausgabe 10/2014

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Abstract

This work investigates the effect of selected linear image processing methods on the depth of correlation (DoC) in micro particle image velocimetry using a single camera. In practice, band-pass and high-pass filters (background subtraction) are commonly applied to micro particle image velocimetry images. This work provides analytical models describing the effect of the parameters of low-, high-, and band-pass filters on the DoC and verifies the models by experiments. Furthermore, we propose a scheme that allows computing the weighting function and DoC for more complicated cases numerically.

Vorheriger Artikel Experimental determination of three-dimensional finite-time Lyapunov exponents in multi-component flows

Nächster Artikel Flow around two tandem square cylinders near a plane wall

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Titel: Effect of linear image processing on the depth of correlation in micro PIV
verfasst von: B. Mustin
B. Stoeber
Publikationsdatum: 01.10.2014
Verlag: Springer Berlin Heidelberg
Erschienen in: Experiments in Fluids / Ausgabe 10/2014
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI: https://doi.org/10.1007/s00348-014-1817-2

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