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-  2015 

基于压缩感知的SAR图像压缩算法
SAR image compression algorithm based on compressed sensing

DOI: 10.7523/j.issn.2095-6134.2015.06.010

Keywords: 压缩感知,SAR图像压缩,微分熵,迭代加权最小二乘
compressed sensing
,SAR image comprssion,differential entropy,iteratively reweighted least squares

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Abstract:

摘要 研究基于压缩感知的合成孔径雷达(SAR)图像压缩算法.根据压缩感知理论,在信号降维方面,提出一种更优化的观测矩阵构造方法;在信号重构方面,提出一种基于微分熵和迭代加权最小二乘的改进重构算法.通过对SAR图像进行压缩和性能比较,得出结论:本文提出的改进算法优于传统的压缩感知算法.

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