Mitigation of Azimuth Ambiguities in Spaceborne Stripmap SAR Images Using Selective Restoration
作者： Jie Chen , Mahboob Iqbal , Wei Yang , Peng-bo Wang , Bing Sun
DOI: 10.1109/TGRS.2013.2279109
关键词:
摘要: A novel framework is proposed for mitigating azimuth ambiguities in spaceborne stripmap synthetic aperture radar (SAR) images. The SAR images are localized by using a local mean image, system parameters, and defined metric derived from antenna pattern. helps isolate targets lying at locations of ambiguities. mechanism restoration ambiguity regions selected on the basis size regions. compressive imaging technique employed to restore isolated (smaller interconnected pixels), whereas clustered (relatively bigger pixels) filled exemplar-based inpainting. simulation results real TerraSAR-X data set demonstrated that scheme can effectively remove enhance image quality.
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