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Algorithms and experimental results in acoutistic tomography using Rytov's approximation

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3 Author(s)
Soumekh, M. ; University of Minnesota, Minneapolis, MN ; Kaveh, M. ; Mueller, R.K.

Theoretical, algorithmic and experimental results on the use of Rytov's approximation in acoustic tomography are presented. The approximation error is related to the disturbance size and magnitude. A method of phase unwrapping which is based on a combination of profile to profile phase comparison coupled with some well-known phase unwrapping algorithms used in signal processing is introduced. Frequency and spatial domain reconstructions are compared with respect to computational efficiency and accuracy of interpolation.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '83.  (Volume:8 )

Date of Conference:

Apr 1983