Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 2, 102(2024)

A Review of SNR Enhancement Techniques for Space-Based Remote Sensing Images

Zhi WANG1...2, Jiuzhe WEI1,2, Yun WANG1,2, and Qiang LI12 |Show fewer author(s)
Author Affiliations
  • 1Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
  • 2Key Laboratory of Advanced Optical Remote Sensing Technology of Beijing, Beijing 100094, China
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    Figures & Tables(5)
    [in Chinese]
    [in Chinese]
    [in Chinese]
    • Table 1. A Comparison of denoising algorithms based on different methods

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      Table 1. A Comparison of denoising algorithms based on different methods

      方式去噪效果泛化能力算法难点数据要求硬件要求
      基于滤波的方式对单一噪声成分和特定噪声成分去噪效果好数学模型的建立和求解
      基于模型的方式对建立的先验噪声模型去噪效果好一般成像链路先验信息的获取和标定一般一般
      基于学习的方式对复杂噪声成分的去噪效果好网络设计、调参、训练非常高
      基于混合去噪算法的方式对基于真实成像链路的复杂噪声去噪效果好细粒度标定成像链路的噪声参数、网络训练非常高
    • Table 2. PSNR(dB)/SSIM results of various algorithms in eight scenarios

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      Table 2. PSNR(dB)/SSIM results of various algorithms in eight scenarios

      图像类别森林草地楼房立交桥铁路平房马路工厂
      中值滤波27.47/0.517922.06/0.551027.98/0.5545727.96/0.551028.01/0.569827.89/0.560428.01/0.556927.78/0.5612
      维纳滤波28.56/0.651824.27/0.572029.05/0.668529.12/0.691029.24/0.731628.93/0.697629.13/0.695429.17/0.6943
      小波变换28.99/0.698124.66/0.592128.98/0.693229.04/0.689428.86/0.689328.92/0.696429.11/0.689729.02/0.6786
      BM3D30.96/0.728529.64/0.759231.18/0.798630.20/0.788430.98/0.710829.93/0.702529.92/0.704529.72/0.7183
      WNNM32.42/0.813730.85/0.827332.29/0.829732.49/0.879032.21/0.869532.69/0.796732.77/0.803833.04/0.8615
      K-SVD33.35/0.883732.19/0.892833.19/0.865834.67/0.891433.36/0.873132.78/0.828632.49/0.798133.48/0.8891
      DnCNN33.97/0.891632.87/0.878833.37/0.879934.76/0.875134.87/0.862733.68/0.848433.09/0.856434.19/0.8917
      FFDNet35.02/0.871434.51/0.864535.69/0.897435.87/0.876735.27/0.894534.97/0.864735.96/0.897835.94/0.8945
      SCUNet35.84/0.935634.87/0.895436.14/0.900336.45/0.914535.96/0.865436.98/0.912336.21/0.901236.91/0.9158
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    Zhi WANG, Jiuzhe WEI, Yun WANG, Qiang LI. A Review of SNR Enhancement Techniques for Space-Based Remote Sensing Images[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(2): 102

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    Paper Information

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    Received: Nov. 3, 2023

    Accepted: --

    Published Online: May. 29, 2024

    The Author Email:

    DOI:10.3969/j.issn.1009-8518.2024.02.010

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