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基于非负稀疏表示的SAR图像目标识别方法 被引量：11

SAR Image Target Recognition Based on Non-negative Sparse Representation
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摘要 针对合成孔径雷达(SAR)图像目标识别中存在物体遮挡的情况,该文提出一种基于非负稀疏表示的分类方法。通过分析L0范数和L1范数最小化在求解非负稀疏表示问题上的区别,证明在一定条件下,L1范数最小化方法除了保持解的稀疏性还能得到与输入信号更加相似的原子集合,因此也更加适用于分类问题中。在运动和静止目标获取与识别(MSTAR)数据集上的识别实验结果表明,采用L1范数的非负稀疏表示分类方法能达到较好的识别性能,并且相对传统方法对存在遮挡情况下的识别问题更稳健。 In order to solve the occlusion issue in SAR image target recognition, a new classification method is proposed based on non-negative sparse representation. The difference between L0-norm and Ll-norm minimization in solving non-negative sparse representation problem is analyzed, and it is proved that Ll-norm regularization method pursuits not only the sparsity of the solution but also the similarity between the input signal and the selected atoms under some conditions, hence it is fit for classification application. The experimental results on Moving and Stationary Target Acquisition and Recognition （MSTAR） dataset show that the non-negative sparse representation classification method with Ll-norm regularization can achieve much better recognition performance and it is more robust in the recognition of targets with occlusion compared with the traditional method.
作者 丁军 刘宏伟 王英华
机构地区 西安电子科技大学雷达信号处理国家重点实验室
出处 《电子与信息学报》 EI CSCD 北大核心 2014年第9期2194-2200,共7页 Journal of Electronics & Information Technology
基金 国家自然科学基金(61271024 61201292 61201283) 新世纪优秀人才支持计划(NCET-09-0630) 全国优秀博士学位论文作者专项资金(FANEDD-201156) 国家部委基金 中央高校基本科研业务费专项资金资助课题
关键词 SAR目标识别 非负稀疏表示 L1范数最小化 SAR target recognition Non-negative sparse representation Ll-norm minimization
分类号 TN957.51 [电子电信—信号与信息处理]
  • 相关文献

参考文献18

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二级参考文献6

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共引文献53

同被引文献130

  • 1胡利平,刘宏伟,吴顺君.一种新的SAR图像目标识别预处理方法[J].西安电子科技大学学报,2007,34(5):733-737. 被引量：20
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  • 5Zhang H C, Nasrabadic N M, Zhang Y N, et al. Multi view au- tomatic target recognition using joint sparse representation[J]. IEEE Trans. on Aerospace and Electronic Systems, 2012, 48 (3) :2481 - 2497.
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引证文献11

二级引证文献78

电子与信息学报
2014年 第9期

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