Journal of Applied Optics, Volume. 45, Issue 3, 543(2024)

Laser spot restoration method based on sparse representation

Mingzhu HUANG1... Rongguo FU1,*, Xiang YU1, Xing LYU1, Lingyun MA1, Huanan ZHANG1 and Peng WANG2 |Show fewer author(s)
Author Affiliations
  • 1School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
  • 2Jiangsu Shuguang Optoelectronics Co.,Ltd., Yangzhou 225000, China
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    Figures & Tables(11)
    Array detector arrangement
    Spot images at different stages
    Spot images with different algorithms
    Dictionary image obtained by training
    Spot images after denoising
    Actual sampled spot
    Spot images with different algorithms
    Three simulated spot sampling images
    Image centroid deviation at 50 consecutive frames
    • Table 1. PSNR values of spot image restored by different methods dB

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      Table 1. PSNR values of spot image restored by different methods dB

      光斑双线性插值双立方插值Lanczos插值本文算法
      光斑183.111482.995183.148687.9379
      光斑283.103483.039483.162187.1776
      光斑383.035982.920983.065786.0711
    • Table 2. Coordinates of spot centroid obtained by different algorithms

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      Table 2. Coordinates of spot centroid obtained by different algorithms

      光斑原光斑双线性插值双立方插值Lanczos插值本文算法
      光斑1(24.50,24.50)(24.02,24.03)(24.03,24.03)(24.03,24.03)(24.50,24.49)
      光斑2(21.42,21.42)(20.98,20.98)(20.98,20.98)(20.99,20.99)(21.45,21.45)
      光斑3(18.39,21.05)(17.89,20.53)(17.88,20.52)(17.89,20.52)(18.38,21.01)
      实验光斑(56.66,51.86)(56.16,51.36)(56.16,51.36)(56.16,51.36)(56.66,51.86)
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    Mingzhu HUANG, Rongguo FU, Xiang YU, Xing LYU, Lingyun MA, Huanan ZHANG, Peng WANG. Laser spot restoration method based on sparse representation[J]. Journal of Applied Optics, 2024, 45(3): 543

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    Paper Information

    Category: Research Articles

    Received: Sep. 25, 2023

    Accepted: --

    Published Online: Jun. 2, 2024

    The Author Email: FU Rongguo (富容国(1970—))

    DOI:10.5768/JAO202445.0310008

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