Mitigating illumination gradients in a SAR image based on the image data and antenna beam pattern
Abstract
Illumination gradients in a synthetic aperture radar (SAR) image of a target can be mitigated by determining a correction for pixel values associated with the SAR image. This correction is determined based on information indicative of a beam pattern used by a SAR antenna apparatus to illuminate the target, and also based on the pixel values associated with the SAR image. The correction is applied to the pixel values associated with the SAR image to produce corrected pixel values that define a corrected SAR image.
- Inventors:
- Issue Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1083590
- Patent Number(s):
- 8427358
- Application Number:
- 11/566,531
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01S - RADIO DIRECTION-FINDING
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Doerry, Armin W. Mitigating illumination gradients in a SAR image based on the image data and antenna beam pattern. United States: N. p., 2013.
Web.
Doerry, Armin W. Mitigating illumination gradients in a SAR image based on the image data and antenna beam pattern. United States.
Doerry, Armin W. Tue .
"Mitigating illumination gradients in a SAR image based on the image data and antenna beam pattern". United States. https://www.osti.gov/servlets/purl/1083590.
@article{osti_1083590,
title = {Mitigating illumination gradients in a SAR image based on the image data and antenna beam pattern},
author = {Doerry, Armin W.},
abstractNote = {Illumination gradients in a synthetic aperture radar (SAR) image of a target can be mitigated by determining a correction for pixel values associated with the SAR image. This correction is determined based on information indicative of a beam pattern used by a SAR antenna apparatus to illuminate the target, and also based on the pixel values associated with the SAR image. The correction is applied to the pixel values associated with the SAR image to produce corrected pixel values that define a corrected SAR image.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 30 00:00:00 EDT 2013},
month = {Tue Apr 30 00:00:00 EDT 2013}
}
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Works referenced in this record:
Robust Doppler Centroid estimate for ERS and ENVISAT
conference, January 2003
- De Stefano, M.; Guarnieri, A. M.
- IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)
X-SAR radiometric calibration and data quality
journal, July 1995
- Zink, M.; Bamler, R.
- IEEE Transactions on Geoscience and Remote Sensing, Vol. 33, Issue 4
SAR image-formation algorithm that compensates for the spatially variant effects of antenna motion
conference, June 1994
- Burns, Bryan L.; Cordaro, J. Thomas
- SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, SPIE Proceedings
Adaptive Two Dimensional Shading For Batch Synthetic Aperture Radar Using Phased Array Antenna
patent, April 1991
- Hindenach, LaurenceJ.
- US Patent Document H910
Radiometric corrections and calibration of SAR images
conference, January 1998
- Frulla, L. A.; Milovich, J. A.; Karszenbaum, H.
- IGARSS '98. Sensing and Managing the Environment. 1998 IEEE International Geoscience and Remote Sensing. Symposium Proceedings. (Cat. No.98CH36174)
A SAR imaging model for large-scale atmospheric inhomogeneities
conference, August 2004
- Dickey, Fred M.; DeLaurentis, John M.; Doerry, Armin W.
- Defense and Security, SPIE Proceedings
Method for extracting motion errors of a platform carrying a coherent imaging radar system from the raw radar data and device for executing the method
patent, November 1992
- Moreira, Joao
- US Patent Document 5,166,688
Estimating the Doppler centroid of SAR data
journal, March 1989
- Madsen, S. N.
- IEEE Transactions on Aerospace and Electronic Systems, Vol. 25, Issue 2, p. 134-140
Method of correcting for errors in radar imaging
patent, September 1988
- Mims, James H.
- US Patent Document 4,771,287
Antenna-pattern correction for near-field-to-far field RCS transformation of 1D linear SAR measurements
journal, August 2004
- LaHaie, I. J.; Rice, S. A.
- IEEE Antennas and Propagation Magazine, Vol. 46, Issue 4