International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Since Year 2012 | Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064




Downloads: 120

M.Tech / M.E / PhD Thesis | Aerospace Engineering | India | Volume 5 Issue 5, May 2016


Mitigation of Azimuth Ambiguities in SAR Images Using Restoration Techniques

Aashna Hassan


Abstract: A framework is proposed for mitigating azimuth ambiguities in spaceborne stripmap synthetic aperture radar (SAR) images. The azimuth ambiguities in SAR images are localized by using a local mean SAR image, SAR system parameters and a defined metric derived from azimuth antenna pattern. The defined metric helps isolate targets lying at locations of ambiguities. The mechanism for restoration of ambiguity region is selected on the basis of size of ambiguity regions. A compressive imaging technique is employed to restore isolated ambiguity regions (smaller regions of interconnected pixels), whereas clustered regions (relatively bigger regions of interconnected pixels) are filled by using exemplar-based inpainting. The simulation results on a real TerraSAR-X data set demonstrated that the proposed scheme can effectively remove azimuth ambiguities and enhance SAR image quality.


Keywords: Image processing, Image restoration, Synthetic Aperture Radar SAR


Edition: Volume 5 Issue 5, May 2016,


Pages: 289 - 291

Mitigation of Azimuth Ambiguities in SAR Images Using Restoration Techniques


How to Cite this Article?

Aashna Hassan, "Mitigation of Azimuth Ambiguities in SAR Images Using Restoration Techniques", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=NOV163337, Volume 5 Issue 5, May 2016, 289 - 291, #ijsrnet

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