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Laser & Optoelectronics Progress, Volume. 57, Issue 24, 241016(2020)

Blind Restoration of Multi-Channel Images Based on Total Variation and Dark Pixels

Haoran Hu, Hui Liu*, and Huan Huang
Author Affiliations
  • Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, Yunnan 650000, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (24)
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    Figures & Tables(12)
    Comparison of dark pixel sparseness between blurred image and clear image. (a) Clear image; (b) blurred image; (c) dark channel image of Fig.1(a); (d) dark channel image of Fig.1(b)

    Fig. 1. Comparison of dark pixel sparseness between blurred image and clear image. (a) Clear image; (b) blurred image; (c) dark channel image of Fig.1(a); (d) dark channel image of Fig.1(b)

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    Target image estimation process

    Fig. 2. Target image estimation process

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    Flowchart of PSF estimation algorithm

    Fig. 3. Flowchart of PSF estimation algorithm

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    Flowchart of MCBD algorithm

    Fig. 4. Flowchart of MCBD algorithm

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    “church” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

    Fig. 5. “church” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

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    “clock” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

    Fig. 6. “clock” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

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    “architectural” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

    Fig. 7. “architectural” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

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    “bridge” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

    Fig. 8. “bridge” blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

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    Real blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

    Fig. 9. Real blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

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    Real blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

    Fig. 10. Real blurred images and restoration results. (a1)--(a3) Blurred images; (b) algorithm in Ref.[23]; (c) algorithm in Ref.[6]; (d) proposed algorithm

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    • Table 1. Comparison of evaluation indexes of restored images

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      Table 1. Comparison of evaluation indexes of restored images

      PictureAlgorithm in Ref.[23]Algorithm in Ref.[6]Proposed algorithm
      SSIMPSNR /dBSSIMPSNR /dBSSIMPSNR /dB
      “church”0.749226.37440.628424.40550.698825.6721
      “clock”0.628620.80010.553520.12900.651722.0581

    • Table 2. Comparison of evaluation indexes of restored images

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      Table 2. Comparison of evaluation indexes of restored images

      PictureAlgorithm in Ref.[23]Algorithm in Ref.[6]Proposed algorithm
      SSIMPSNR /dBSSIMPSNR /dBSSIMPSNR /dB
      “architectural”0.615825.68430.559225.19190.570631.0540
      “bridge”0.771827.85740.607328.17600.609028.3548
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    Haoran Hu, Hui Liu, Huan Huang. Blind Restoration of Multi-Channel Images Based on Total Variation and Dark Pixels[J]. Laser & Optoelectronics Progress, 2020, 57(24): 241016

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    Paper Information

    Category: Image Processing

    Received: Apr. 7, 2020

    Accepted: Jun. 24, 2020

    Published Online: Nov. 25, 2020

    The Author Email: Liu Hui (liuhui@ynao.ac.cn)

    DOI:10.3788/LOP57.241016

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology