On perspective errors in endoscopic PIV

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dc.contributor.author Reeves, Mark
dc.contributor.author Lawson, Nicholas J.
dc.date.accessioned 2024-03-27T16:25:48Z
dc.date.available 2024-03-27T16:25:48Z
dc.date.issued 2004-07-23
dc.identifier.citation Reeves M, Lawson NJ. (2004) On perspective errors in endoscopic PIV. Comptes Rendus. Mécanique, Volume 332, Issue 9, 2004, pp. 687-692 en_UK
dc.identifier.issn 1631-0721
dc.identifier.uri https://doi.org/10.1016/j.crme.2004.04.002
dc.identifier.uri https://dspace.lib.cranfield.ac.uk/handle/1826/21104
dc.description.abstract Results are presented from a single and dual lens endoscopic PIV imaging system with a view to application of PIV where optical access is restricted such as internal flows. The dual lens PIV images were processed using cross-correlation, a cubic mapping function and standard stereoscopic relationships. For the single lens system, the images were processed using cross-correlation and a quadratic distortion-mapping function. Results have shown the single lens system to have in-plane errors an order of magnitude greater than the stereoscopic dual lens endoscopic PIV system. These errors are generated by perspective effects. Use of the stereo arrangement is therefore recommended wherever quantitative 3D velocimetry data is acquired using an endoscopic system. en_UK
dc.language.iso en_UK en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by/4.0/ *
dc.subject Signal processing en_UK
dc.subject Stereoscopic PIV en_UK
dc.subject Endoscope en_UK
dc.subject Perspective errors en_UK
dc.title On perspective errors in endoscopic PIV en_UK
dc.type Article en_UK
dcterms.dateAccepted 2004-04-06


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