Nonlinear filtering of backpropagated fields
JOSA A, Vol. 16, Issue 7, pp. 1799-1805 (1999)
http://dx.doi.org/10.1364/JOSAA.16.001799
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Abstract
As a result of interest in imaging strongly scattering targets, the Air Force Research Laboratory is making available to the community sets of data from various targets. We describe a nonlinear filtering technique, namely, homomorphic filtering, which we have applied to recover an image of the target from the backpropagated field calculated from the scattering data. We show new results for targets that other methods, especially linearized methods, are unable to image. While we obtain good images with real data, convolutional effects arising from limited data can sometimes degrade performance.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(100.3020) Image processing : Image reconstruction-restoration
(100.3190) Image processing : Inverse problems
(110.0110) Imaging systems : Imaging systems
(110.2990) Imaging systems : Image formation theory
(110.6960) Imaging systems : Tomography
Citation
J. D. Sanchez-de-la-Llave, A. Morales-Porras, M. Testorf, R. V. McGahan, and M. A. Fiddy, "Nonlinear filtering of backpropagated fields," J. Opt. Soc. Am. A 16, 1799-1805 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-7-1799
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