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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 16, Iss. 7 — Jul. 1, 1999
  • pp: 1799–1805

Nonlinear filtering of backpropagated fields

J. D. Sanchez-de-la-Llave, A. Morales-Porras, M. Testorf, R. V. McGahan, and M. A. Fiddy  »View Author Affiliations


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

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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