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基于稀疏描述的SAR目标型号识别算法*

, PP. 617-622

Keywords: SAR图像,型号识别,稀疏描述(SR)

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Abstract:

对样本进行稀疏描述,可获得充分描述样本特征且具备区分能力的稀疏向量.提出一种基于稀疏描述的SAR目标型号识别算法.首先,对目标SAR图像进行特征提取,以抑制斑点噪声的影响.然后,利用全体训练样本构造字典矩阵,将测试样本在字典矩阵上进行投影得到其稀疏向量.最后,根据拥有相同标号且方位角最接近的样本之间差异最小的特点,构造单个样本重构误差最小准则,实现SAR目标的型号识别.在MSTAR数据上的实验验证了本文算法的有效性.

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