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Acta Optica Sinica, Volume. 42, Issue 12, 1201006(2022)

Adaptive Suppression System of Sea Background Flare

Heqian Zhu1,2 and Hongsong Qu1、*
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Jilin, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (1)
    Cited By (7)
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    Figures & Tables(10)
    Schematic diagram of generating multiple flare

    Fig. 1. Schematic diagram of generating multiple flare

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    Schematic diagram of Cox-Munk model

    Fig. 2. Schematic diagram of Cox-Munk model

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    Schematic diagram of obtaining lowest intensity by detector

    Fig. 3. Schematic diagram of obtaining lowest intensity by detector

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    Schematic diagram of global exposure of TDI-CMOS in digital domain

    Fig. 4. Schematic diagram of global exposure of TDI-CMOS in digital domain

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    Schematic diagram of structure of adaptive polarization detection device for sea targets

    Fig. 5. Schematic diagram of structure of adaptive polarization detection device for sea targets

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    Sea background flare images. (a) Without polarization filter; (b) with polarizing filter

    Fig. 6. Sea background flare images. (a) Without polarization filter; (b) with polarizing filter

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    Target spatial polarization suppression image

    Fig. 7. Target spatial polarization suppression image

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    Results of glare suppression under different integral levels. (a) 4 levels; (b) 8 levels; (c) 12 levels; (d) 16 levels

    Fig. 8. Results of glare suppression under different integral levels. (a) 4 levels; (b) 8 levels; (c) 12 levels; (d) 16 levels

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    • Table 1. Proportion of saturated pixels

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      Table 1. Proportion of saturated pixels

      IntegralSingle-levelintegralFour-levelintegralEight-levelintegralTwelve-levelintegralSixteen-levelintegral
      Proportion of saturated pixels /%15.526.453.691.480.87

    • Table 2. Average image gray level

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      Table 2. Average image gray level

      IntegralSingle-levelintegralFour-levelintegralEight-levelintegralTwelve-levelintegralSixteen-levelintegral
      Average image gray level110.8178.7266.5157.2051.95
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    Heqian Zhu, Hongsong Qu. Adaptive Suppression System of Sea Background Flare[J]. Acta Optica Sinica, 2022, 42(12): 1201006

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Nov. 3, 2021

    Accepted: Dec. 24, 2021

    Published Online: Jun. 7, 2022

    The Author Email: Qu Hongsong (quhongsong@ciomp.ac.cn)

    DOI:10.3788/AOS202242.1201006

    Topics

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