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一种基于点特征的异源SAR图像配准方法

DOI: 10.3724/SP.J.1004.2012.01958, PP. 1958-1967

Keywords: 适配性,图像配准,合成孔径雷达,点特征

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Abstract:

?适配性分析是合成孔径雷达(Syntheticapertureradar,SAR)图像匹配的重要研究内容,它研究图像是否适合选作基准图的问题.本文研究基于点特征配准方法的异源SAR图像适配性分析,以特征点的数目及稳健程度来度量SAR图像适配性,提出基于点特征的异源图像适配性评价算法,并构建出一种评价特征点稳定性的准则,以指导选取合适的退化模型.实验结果表明本文所提出的点特征适配性评价机制能有效地度量指定SAR图像的适配性,从而近似得出保障图源的适配性排序结果.

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