• Acta Photonica Sinica
  • Vol. 51, Issue 11, 1110001 (2022)
Lulu GUO1、2 and Hongwei YI1、*
Author Affiliations
  • 1Xi′an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi′an710119,China
  • 2University of Chinese Academy of Sciences,Beijing 100049,China
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    DOI: 10.3788/gzxb20225111.1110001 Cite this Article
    Lulu GUO, Hongwei YI. High Dynamic Range Image Fusion Algorithm Based on Local Weighted Superposition[J]. Acta Photonica Sinica, 2022, 51(11): 1110001 Copy Citation Text show less
    Schematic diagram of fused HDR image of high-brightness image and low-brightness image
    Fig. 1. Schematic diagram of fused HDR image of high-brightness image and low-brightness image
    Algorithm flow chart for judging pixel exposure
    Fig. 2. Algorithm flow chart for judging pixel exposure
    Fusion algorithm flow chart of three exposure situations
    Fig. 3. Fusion algorithm flow chart of three exposure situations
    Pixel ratio factor curves for baseline and test image sets of three sets of images
    Fig. 4. Pixel ratio factor curves for baseline and test image sets of three sets of images
    Fusion results of three groups of image under different size windows
    Fig. 5. Fusion results of three groups of image under different size windows
    Fusion results of two sets of images with and without Gaussian noise
    Fig. 6. Fusion results of two sets of images with and without Gaussian noise
    Comparison of three sets of image fusion results
    Fig. 7. Comparison of three sets of image fusion results
    PSNRSzeliski’ methodWavelet transformProposed method
    Memorial11.849 611.250 321.867 8
    Syn11.775 625.497 825.709 4
    Belg15.703 422.662 230.760 8
    Table 1. Peak signal-to-noise ratioof the fusion results of each algorithm
    SSIMSzeliski’ methodWavelet transformProposed method
    Memorial0.466 20.440 20.754 2
    Syn0.514 60.880 80.933 2
    Belg0.711 20.851 80.876 5
    Table 2. Structural similarity index measureof the fusion results of each algorithm
    Lulu GUO, Hongwei YI. High Dynamic Range Image Fusion Algorithm Based on Local Weighted Superposition[J]. Acta Photonica Sinica, 2022, 51(11): 1110001
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