• Acta Optica Sinica
  • Vol. 39, Issue 5, 0529001 (2019)
Wei Chen1、2、3、4、*, Yanli Qiao1、4, Xiaobing Sun1、4、*, and Yulong Yin1、2、4
Author Affiliations
  • 1 Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3 State National University of Defense Technology, Hefei, Anhui 230037, China
  • 4 Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei, Anhui 230031, China
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    DOI: 10.3788/AOS201939.0529001 Cite this Article Set citation alerts
    Wei Chen, Yanli Qiao, Xiaobing Sun, Yulong Yin. Method for Water Surface Sun Glint Suppression Based on Polarized Radiation Image Fusion[J]. Acta Optica Sinica, 2019, 39(5): 0529001 Copy Citation Text show less
    Measurement method of Stokes parameters
    Fig. 1. Measurement method of Stokes parameters
    Three-path simultaneous polarization imager. (a) Structural diagram; (b) physical map
    Fig. 2. Three-path simultaneous polarization imager. (a) Structural diagram; (b) physical map
    Gray images. (a) Image I; (b) image I0; (c) image I45; (d) image I90; (e) image I⊥; (f) image F
    Fig. 3. Gray images. (a) Image I; (b) image I0; (c) image I45; (d) image I90; (e) image I⊥; (f) image F
    Gray distribution analysis results. (a)(b) Image I; (c)(d) image I0; (e)(f) image I45; (g)(h) image I90; (i)(j) image F
    Fig. 4. Gray distribution analysis results. (a)(b) Image I; (c)(d) image I0; (e)(f) image I45; (g)(h) image I90; (i)(j) image F
    ROI selection of target and glint background. (a) Glint background; (b) target
    Fig. 5. ROI selection of target and glint background. (a) Glint background; (b) target
    Schematic of polarized reflection of ideal water surface
    Fig. 6. Schematic of polarized reflection of ideal water surface
    Image of polarization degree
    Fig. 7. Image of polarization degree
    SpecificationValue
    Spectral response range /nm380-1000
    Focus /mm50
    Resolution /(pixel×pixel)1024×768
    Pixel size /μm6.8
    Field of view
    Polarization orientation0°,45°,90°
    Table 1. Main specifications of three-path simultaneous polarization imager
    SpecificationII0I45I90F
    Number213996181582131669575390
    Percentage /%27.2123.0916.747.320
    Table 2. Statistics of saturated pixels
    ImageMean grayStandard deviationContrast
    I115.979397.90350.0196
    I095.187898.05280.0319
    I4579.191992.08720.0705
    I9032.114974.92490.3334
    F67.219530.76030.2621
    Table 3. Image quality evaluation index
    Wei Chen, Yanli Qiao, Xiaobing Sun, Yulong Yin. Method for Water Surface Sun Glint Suppression Based on Polarized Radiation Image Fusion[J]. Acta Optica Sinica, 2019, 39(5): 0529001
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