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Conference Paper

Influence of individual variations of particle image intensities on iterative image deformation in PIV

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Nobach,  Holger
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Nobach, H. (2009). Influence of individual variations of particle image intensities on iterative image deformation in PIV. In Proceedings of the 8th International Symposium on Particle Image Velocimetry (pp. 1-4).


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-12CD-2
Abstract
Individual variations of intensity of tracer particles, e.g. due to out-of-plane displacements between exposures, strongly limit the achievable accuracy of correlation based PIV processing. The RMS error originated by this effect correlates with the spacial resolution that can be achieved with the processing algorithm making especially high-resolution algorithms like iterative image deformation affected by this error.