Infrared and Laser Engineering, Volume. 54, Issue 7, 20250077(2025)

Study of digital processing and visualization method of 640×512 dynamic vision infrared focal plane readout circuit

Zheng WANG1,2, Qinghua LIANG1, Haocheng XIANG1, Tian LU1, and Ruijun DING1,2
Author Affiliations
  • 1National Key Laboratory of Infrared Detection Technologies, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(11)
    Infrared dynamic vision sensor chip structure diagram
    AER logical structure
    Cascading of two input arbitration units
    Round-robin arbiter workflow
    Row information compression
    Example of row data compression
    Ping-pong operation of RAM
    Ping-pong operation sequence diagram of RAM
    Verification results of the FPGA of the digital processing module of the DVS chip
    Verification results of DVS chip visualization method
    • Table 1. Comparison of DVS performance metrics

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      Table 1. Comparison of DVS performance metrics

      ProductPixel arrayEPS/eps
      DVS128[12]128×12820 M
      DVS2017[10]640×4800.3 G
      XidianDVS[5]8×60.2 G(bus)
      ISSCC2023[13]35.6 M4.5 G
      SCD2022[4]640×5120.25 G
      This paper640×5120.36 G(bus)
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    Zheng WANG, Qinghua LIANG, Haocheng XIANG, Tian LU, Ruijun DING. Study of digital processing and visualization method of 640×512 dynamic vision infrared focal plane readout circuit[J]. Infrared and Laser Engineering, 2025, 54(7): 20250077

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    Paper Information

    Category: Infrared

    Received: Jan. 24, 2025

    Accepted: --

    Published Online: Aug. 29, 2025

    The Author Email:

    DOI:10.3788/IRLA20250077

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