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Laser & Optoelectronics Progress, Volume. 58, Issue 20, 2004001(2021)

Residual and High-frequency Replacement Based Color Reconstruction Method for SONY-RGBW Array

Hailin Wang, Zhenghao Han, Li Li*, Su Qiu, and Weiqi Jin
Author Affiliations
  • MoE Key Lab of Photoelectronic Imaging Technology and System, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (31)
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    Figures & Tables(11)
    CFAs in color imaging systems. (a) Bayer array; (b) SONY-RGBW filter array

    Fig. 1. CFAs in color imaging systems. (a) Bayer array; (b) SONY-RGBW filter array

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    Flow chart of RIHR-CRM

    Fig. 2. Flow chart of RIHR-CRM

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    Flow chart of iterative residual interpolation. (a) Bidirectional guided filtering; (b) unidirectional guided filtering

    Fig. 3. Flow chart of iterative residual interpolation. (a) Bidirectional guided filtering; (b) unidirectional guided filtering

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    Images in Kodak data set

    Fig. 4. Images in Kodak data set

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    15 natural images in real scenes

    Fig. 5. 15 natural images in real scenes

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    Image acquisition system. (a) System composition; (b) relative spectral sensitivity of each band

    Fig. 6. Image acquisition system. (a) System composition; (b) relative spectral sensitivity of each band

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    Color reconstruction results for local patches with 100 pixel ×100 pixel patch size in the Kodak data set by different methods. (a1) (a2) Reference image; (b1) (b2) Standard; (c1) (c2) Pan+PCA; (d1) (d2) Pan+BT; (e1) (e2) Pan+IHS; (f1) (f2) Pan+GS; (g1) (g2) Pan+HCM; (h1) (h2) AP; (i1) (i2) Bilinear; (j1) (j2) RIHR-CRM

    Fig. 7. Color reconstruction results for local patches with 100 pixel ×100 pixel patch size in the Kodak data set by different methods. (a1) (a2) Reference image; (b1) (b2) Standard; (c1) (c2) Pan+PCA; (d1) (d2) Pan+BT; (e1) (e2) Pan+IHS; (f1) (f2) Pan+GS; (g1) (g2) Pan+HCM; (h1) (h2) AP; (i1) (i2) Bilinear; (j1) (j2) RIHR-CRM

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    Color reconstruction results for local patches with 100 pixel ×100 pixel patch size in real scenes by different methods. (a1) (a2) Reference image; (b1) (b2) Standard; (c1) (c2) Pan+PCA; (d1) (d2) Pan+BT; (e1) (e2) Pan+IHS; (f1) (f2) Pan+GS; (g1) (g2) Pan+HCM; (h1) (h2) AP; (i1) (i2) Bilinear; (j1) (j2) RIHR-CRM

    Fig. 8. Color reconstruction results for local patches with 100 pixel ×100 pixel patch size in real scenes by different methods. (a1) (a2) Reference image; (b1) (b2) Standard; (c1) (c2) Pan+PCA; (d1) (d2) Pan+BT; (e1) (e2) Pan+IHS; (f1) (f2) Pan+GS; (g1) (g2) Pan+HCM; (h1) (h2) AP; (i1) (i2) Bilinear; (j1) (j2) RIHR-CRM

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    Color correction results for images in real scenes

    Fig. 9. Color correction results for images in real scenes

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    • Table 1. Average objective evaluation results of 24 images in the Kodak data set

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      Table 1. Average objective evaluation results of 24 images in the Kodak data set

      MethodPSNRSSIMAE /(°)ΔEabNV /105Tenenbaum gradient /107Brenner gradient /104
      Standard27.89580.89968.29314.62241.07378.97882.3830
      Pan+PCA30.73910.97228.60454.63321.02278.93422.6498
      Pan+BT30.34430.97158.55204.71631.17699.41563.3962
      Pan+IHS31.14600.97108.23954.40541.02288.94072.6481
      Pan+GS30.98670.97168.48024.57431.02348.94212.6656
      Pan+HCM26.64980.81007.73806.30520.98408.77581.5265
      Bilinear29.98750.94237.27014.64201.07498.97792.3075
      AP34.39740.98366.25523.13031.10019.04332.5763
      RIHR-CRM35.07810.98315.31472.59051.11908.24012.7829

    • Table 2. Average objective evaluation results of 15 natural images in real scenes

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      Table 2. Average objective evaluation results of 15 natural images in real scenes

      MethodPSNRSSIMAE /(°)ΔEabNV /105Tenenbaum gradient /107Brenner gradient /104
      Standard32.17820.93976.88663.51402.383716.00111.4930
      Pan+PCA35.05700.98816.97973.22652.352715.99211.6205
      Pan+BT35.07570.98796.84453.24652.353415.99581.6301
      Pan+IHS35.08010.98786.98693.23342.352715.99291.6160
      Pan+GS35.07500.98796.98273.24652.353015.99311.6230
      Pan+HCM33.11370.95766.55043.53082.317815.89171.2117
      Bilinear39.80640.98893.67761.67202.422816.01291.4732
      AP39.55360.98764.11821.90042.437316.03441.5414
      RIHR-CRM39.92370.99073.93442.56872.526717.76301.7438
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    Hailin Wang, Zhenghao Han, Li Li, Su Qiu, Weiqi Jin. Residual and High-frequency Replacement Based Color Reconstruction Method for SONY-RGBW Array[J]. Laser & Optoelectronics Progress, 2021, 58(20): 2004001

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    Paper Information

    Category: Detectors

    Received: Dec. 10, 2020

    Accepted: Jan. 7, 2021

    Published Online: Oct. 12, 2021

    The Author Email: Li Li (lili@bit.edu.cn)

    DOI:10.3788/LOP202158.2004001

    Topics

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