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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 13 — May. 1, 2006
  • pp: 3063–3070

Target-adaptive polarimetric synthetic aperture radar target discrimination using maximum average correlation height filters

Firooz A. Sadjadi and Abhijit Mahalanobis  »View Author Affiliations


Applied Optics, Vol. 45, Issue 13, pp. 3063-3070 (2006)
http://dx.doi.org/10.1364/AO.45.003063


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Abstract

We report the development of a technique for adaptive selection of polarization ellipse tilt and ellipticity angles such that the target separation from clutter is maximized. From the radar scattering matrix [S] and its complex components, in phase and quadrature phase, the elements of the Mueller matrix are obtained. Then, by means of polarization synthesis, the radar cross section of the radar scatters are obtained at different transmitting and receiving polarization states. By designing a maximum average correlation height filter, we derive a target versus clutter distance measure as a function of four transmit and receive polarization state angles. The results of applying this method on real synthetic aperture radar imagery indicate a set of four transmit and receive angles that lead to maximum target versus clutter discrimination. These optimum angles are different for different targets. Hence, by adaptive control of the state of polarization of polarimetric radar, one can noticeably improve the discrimination of targets from clutter.

© 2006 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(110.0110) Imaging systems : Imaging systems
(280.5600) Remote sensing and sensors : Radar
(290.3200) Scattering : Inverse scattering

ToC Category:
Application

History
Original Manuscript: March 9, 2005
Revised Manuscript: September 29, 2005
Manuscript Accepted: October 13, 2005

Citation
Firooz A. Sadjadi and Abhijit Mahalanobis, "Target-adaptive polarimetric synthetic aperture radar target discrimination using maximum average correlation height filters," Appl. Opt. 45, 3063-3070 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-13-3063


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References

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  8. B. V. K. Vijaya Kumar, "Minimum-variance synthetic discriminant functions," J. Opt. Soc. Am. A 3, 1579-1584 (1986). [CrossRef]

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