Infrared and Laser Engineering, Volume. 54, Issue 5, 20240570(2025)

Non-Line-of-Sight imaging based on improved CNN-Transformer

Shuai LIU1... Mingjun WANG1,2,3 and Yiming ZHOU1 |Show fewer author(s)
Author Affiliations
  • 1School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China
  • 2Xi'an Key Laboratory of Wireless Optical Communication and Network Research, Xi’an 710048, China
  • 3School of Physics and Telecommunications Engineering, Shaanxi University of Technology, Hanzhong 723001, China
  • show less
    Figures & Tables(10)
    NLOS imaging system schematic diagram
    Improved CNN-Transformer NLOS imaging flowchart
    CNN-Transformer block
    Reconstruction results of seen and unseen test sets on simulated dataset
    Qualitative comparison of MobileNet and ResNet on real-world data
    Qualitative comparison of different parameter combinations on real-world data
    Imaging results of reconstructed hidden scenes from the public real-world dataset [7]
    • Table 1. Quantitative comparison of different methods on seen and unseen test sets

      View table
      View in Article

      Table 1. Quantitative comparison of different methods on seen and unseen test sets

      DataMethodsIntensityDepth
      PSNR/dBSSIM/dBRMSEMAD
      SeenFBP19.960.18460.70530.6694
      LCT19.780.44770.66940.6321
      FK22.170.42570.71560.6846
      RSD23.110.79960.55580.5332
      LFE26.900.86610.07690.0455
      Ours28.560.93380.06060.0271
      UnseenFBP17.810.21140.69860.6479
      LCT18.540.49620.66040.6152
      FK19.580.41510.73350.6938
      RSD19.920.77290.58960.5526
      LFE23.400.81000.12200.0561
      Ours24.540.87230.11470.0472
    • Table 2. Quantitative comparison between MobileNet and ResNet on seen test sets

      View table
      View in Article

      Table 2. Quantitative comparison between MobileNet and ResNet on seen test sets

      MethodIntensityDepth
      PSNR/dBSSIM/dBRMSEMAD
      ResNet29.546660.953690.034620.03368
      MobileNet29.829770.956100.033680.02736
    • Table 3. Quantitative comparison of different parame-ter combinations on seen test sets

      View table
      View in Article

      Table 3. Quantitative comparison of different parame-ter combinations on seen test sets

      GroupIntensityDepth
      PSNR/dBSSIM/dBRMSEMAD
      129.518990.951060.034760.00724
      229.531310.953480.034580.00771
      329.546660.956100.034620.00699
      429.577230.959970.034020.00604
      529.803040.963120.033790.00515
    Tools

    Get Citation

    Copy Citation Text

    Shuai LIU, Mingjun WANG, Yiming ZHOU. Non-Line-of-Sight imaging based on improved CNN-Transformer[J]. Infrared and Laser Engineering, 2025, 54(5): 20240570

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Optical imaging, display and information processing

    Received: Dec. 4, 2024

    Accepted: --

    Published Online: May. 26, 2025

    The Author Email:

    DOI:10.3788/IRLA20240570

    Topics