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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

  • Editor: Stephen A. Burns
  • Vol. 26, Iss. 5 — May. 1, 2009
  • pp: 1178–1186

Electromagnetic probing for target detection: rejection of surface clutter based on the Wigner distribution

Nicolas Morelle, Markus E. Testorf, Nadège Thirion, and Marc Saillard  »View Author Affiliations


JOSA A, Vol. 26, Issue 5, pp. 1178-1186 (2009)
http://dx.doi.org/10.1364/JOSAA.26.001178


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Abstract

The Wigner distribution function is investigated as a signal processing tool to detect subsurface targets closely located beneath a randomly rough surface. Information provided by a bistatic arrangement of sources and detectors can be used to discriminate target and surface response based on their scattering behavior. It is shown that the bilinearity of the Wigner distribution function can be exploited for nonlinear amplification of the target response. This is achieved by averaging the Wigner distribution of the detected signal for different source locations. Target detection is further improved by numerically backpropagating the detected signal to the surface. A statistical evaluation based on simulated data sets is used to evaluate the performance of the detection method.

© 2009 Optical Society of America

OCIS Codes
(100.3190) Image processing : Inverse problems
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.5600) Remote sensing and sensors : Radar
(350.6980) Other areas of optics : Transforms
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: December 12, 2008
Manuscript Accepted: February 11, 2009
Published: April 13, 2009

Citation
Nicolas Morelle, Markus E. Testorf, Nadège Thirion, and Marc Saillard, "Electromagnetic probing for target detection: rejection of surface clutter based on the Wigner distribution," J. Opt. Soc. Am. A 26, 1178-1186 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-5-1178


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