Journal of Applied Optics, Volume. 45, Issue 5, 885(2024)

Design of temporal coded structured light system based on event-based camera sensor

Jingdong ZHANG... Xizhi WANG*, Xuan MA* and Xiaoguang LIU |Show fewer author(s)
Author Affiliations
  • School of Microelectronics, Southern University of Science and Technology, Shenzhen 518055, China
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    Figures & Tables(13)
    Schematic diagram of structured light
    Schematic diagram of event camera principle[6]
    Information captured by EVS after temporal coding
    Encoded images projected by DLP
    Projection and shooting process of temporal coded structured light system based on EVS
    Timing coded structured light system based on EVS
    Construction of system
    Actual test scenario
    Temporal coded images at different time
    Temporal decoding results in complex scenes
    Three-dimensional information of objects in different situations
    Error analysis of temporal coded structured light
    • Table 1. Comparison of structured light operation based on event cameras

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      Table 1. Comparison of structured light operation based on event cameras

      Types of different workEvent-based cameraResolution/pixelProjection light sourceTime for single reconstruction acquisition/msFill rate
      MC3D[9]DVS128128 × 128laser160.4
      ESL[10]Prophesee Gen3S1.1640 × 480laser160.31
      Huang2021[7]CeleX-V1920 × 1080DLP65004500.3
      Our workALPIX-Eiger1632 × 1224DLP45006(theoretical)0.42
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    Jingdong ZHANG, Xizhi WANG, Xuan MA, Xiaoguang LIU. Design of temporal coded structured light system based on event-based camera sensor[J]. Journal of Applied Optics, 2024, 45(5): 885

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    Paper Information

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    Received: Aug. 24, 2023

    Accepted: --

    Published Online: Dec. 20, 2024

    The Author Email: WANG Xizhi (王习之), MA Xuan (马宣)

    DOI:10.5768/JAO202445.0501002

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