Optics and Precision Engineering, Volume. 30, Issue 2, 127(2022)

Design of image storage and processing system for Tianwen-1 high-resolution camera

Zheng WANG1...2, Yunfeng HE1, Xingguo SUN3, Fanlu WU1,2 and Dong WANG1,* |Show fewer author(s)
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun30033, China
  • 2Key Laboratory of Lunar and Deep Space Exploration, Chinese Academy of Sciences, Beijing100101, China
  • 3FAW-Volkswagen Automotive Co.Ltd, Changchun10011, China
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    Figures & Tables(16)
    Main part of high resolution imaging camera
    Image storage and processing system of high resolution imaging camera
    Block diagram of storage and processing system
    Schematic diagram of NAND Flash structure
    Schematic diagram of NAND Flash 4-level pipeline storage
    NAND Flash storage format and area division
    NAND Flash bad block management method
    NAND Flash bad block self-check operation process
    Schematic diagram of 2×2 downsampling
    Schematic diagram of 2×2 binning
    Schematic diagram of NAND Flash area extraction
    Schematic diagram of two rows of CCD
    Schematic diagram of focal plane correction
    Results of stand-alone test
    Experiment of Outfield imaging
    • Table 1. Statistics of all image data

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      Table 1. Statistics of all image data

      图像序号数据量/Mb压缩比
      a481
      b124∶1
      c316∶1
      d124∶1
      e316∶1
      f124∶1
      g242∶1
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    Zheng WANG, Yunfeng HE, Xingguo SUN, Fanlu WU, Dong WANG. Design of image storage and processing system for Tianwen-1 high-resolution camera[J]. Optics and Precision Engineering, 2022, 30(2): 127

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    Paper Information

    Received: Sep. 24, 2020

    Accepted: --

    Published Online: Mar. 4, 2022

    The Author Email: WANG Dong (wangd@ciomp.ac.cn)

    DOI:10.37188/OPE.20223002.0127

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