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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. 2 — Feb. 1, 1999
  • pp: 396–413

Stability and sensitivity of topographic features for synthetic aperture radar target characterization

Reuven Meth and Rama Chellappa  »View Author Affiliations


JOSA A, Vol. 16, Issue 2, pp. 396-413 (1999)
http://dx.doi.org/10.1364/JOSAA.16.000396


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Abstract

The use of topographic features is proposed for classifying targets in synthetic-aperture radar (SAR) images. These features are based on the curvature properties of a surface model that is used to estimate the underlying image intensity. The stability of these features with respect to aspect, sensor noise, and squint is investigated. Attention is given to ensuring appropriate registration of the SAR images and to the modeling of noise in the SAR imaging process. Sensitivity and stability of features are quantitatively and qualitatively analyzed, based on each pixel’s label and on the relative groupings of features in the corresponding images. Stability results are presented for images obtained from XPATCH simulation software as well from as the Moving and Stationary Target Recognition target data set. The stability of these features is compared with the stability of features obtained directly from the SAR magnitude images.

© 1999 Optical Society of America

OCIS Codes
(110.2960) Imaging systems : Image analysis
(280.4750) Remote sensing and sensors : Optical processing of radar images
(280.5600) Remote sensing and sensors : Radar

History
Original Manuscript: February 25, 1998
Revised Manuscript: October 5, 1998
Manuscript Accepted: October 12, 1998
Published: February 1, 1999

Citation
Reuven Meth and Rama Chellappa, "Stability and sensitivity of topographic features for synthetic aperture radar target characterization," J. Opt. Soc. Am. A 16, 396-413 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-2-396


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