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F. Carosone, A. Cenedese, G. Querzoli (1995)
Recognition of partially overlapped particle images using the Kohonen neural networkExperiments in Fluids, 19
C. Teo, K. Lim, G. Hong, M.H.T. Yeo (1991)
A neural net approach in analyzing photograph in PIVConference Proceedings 1991 IEEE International Conference on Systems, Man, and Cybernetics
C. Willert, M. Gharib (1991)
Digital particle image velocimetryExperiments in Fluids, 10
F. Scarano, M. Riethmuller (1999)
Iterative multigrid approach in PIV image processing with discrete window offsetExperiments in Fluids, 26
Ajay Prasad, Ronald Adrian, C. Landreth, P. Offutt (1992)
Effect of resolution on the speed and accuracy of particle image velocimetry interrogationExperiments in Fluids, 13
I. Grant, X. Pan (1997)
The use of neural techniques in PIV and PTVMeasurement Science and Technology, 8
Douglas Hart (2000)
PIV error correctionExperiments in Fluids, 29
J. Westerweel, D. Dabiri, M. Gharib (1997)
The effect of a discrete window offset on the accuracy of cross-correlation analysis of digital PIV recordingsExperiments in Fluids, 23
Bertram Shi, T. Roska, L. Chua (1998)
Estimating optical flow with cellular neural networksInt. J. Circuit Theory Appl., 26
Richard Keane, R. Adrian (1990)
Optimization of particle image velocimeters, 1404
J. Westerweel (1994)
Efficient detection of spurious vectors in particle image velocimetry dataExperiments in Fluids, 16
G. Labonté (1999)
A new neural network for particle-tracking velocimetryExperiments in Fluids, 26
J. Coupland, C. Pickering (1988)
Particle image velocimetry: Estimation of measurement confidence at low seeding densitiesOptics and Lasers in Engineering, 9
This paper proposes an artificial neural network (ANN) method to effectively detect spurious velocity vectors in a velocity field measured by particle image velocimetry (PIV). The neural network is a recurrent network referred to as a cellular neural network (CNN). The method is compared with the local-median method to remove measurement outliers. Both artificially generated velocity fields containing known errors and actual experimental data were used to study the performance of these methods. The influences of the velocity gradient and the error percentage are discussed. The CNN model was shown to be more efficient for removal of erroneous vectors.
Experiments in Fluids – Springer Journals
Published: Jan 28, 2003
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