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基于频谱编码的压缩成像方法分析-analysis of compression imaging method based on spectrum coding
基于频谱编码的新型压缩成像方法研究英文摘要transform coupled with the frequency spectrum coding. The imaging quality can be enhanced by introducing optical wavelet transform for pre-treatment of the target image before the compression coding on the frequency spectrum plane. Simulation results show that higher quality images can be obtained with the pre-treatment of optical wavelet transform than that of purely optical Fourier transform without any increasing of the transmitted data.Keyword:compressive sensing; optical wavelet transform; Fourier transform; frequency spectrum codingWritten by: Jiyu Han Supervised by: Chinhua Wang, Feng XuIII目录中文摘要 ................................................................................................................... IAbstract..................................................................................................................... II第一章 综述 ....................................................................................................... 11.1 引言............................................................................................................. 11.2 研究背景和意义 ......................................................................................... 11.3 国内外研究现状 ......................................................................................... 31.4 本论文的主要内容..................................................................................... 5第二章 压缩传感成像相关基础理论 ...................................................................... 72.1 压缩传感原理 ............................................................................................. 72.1.1 信号的稀疏性................................................................................... 92.1.2 传感矩阵 .........................................................................................102.1.3 重构算法 .........................................................................................112.2 频谱编码 ................................................................................
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