Optics and Precision Engineering, Volume. 33, Issue 3, 377(2025)

Technologies of real-time non-line-of-sight imaging based on time-of-flight array

Yuan HAN1, Youzhi LI1, Zhenchen JI3, Hongxu AI3, Jiaqi YAO1,2, Yanqiu WANG1, Fu ZHENG1, and Zhibin SUN1,2、*
Author Affiliations
  • 1National Space Science Center, Chinese Academy of Sciences, Beijing0090, China
  • 2University of Chinese Academy of Sciences, Beijing100049, China
  • 3North China Electric Power University, Beijing102206, China
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    Figures & Tables(10)
    Non-line-of-sight imaging targets
    Flow chart of depth image acquisition by array time-of-flight camera
    Array time-of-flight non-line-of-sight imaging system
    Example of three-dimensional results of non-line-of-sight imaging (plaster statue)
    Imaging results of different distances in non-line-of-sight imaging
    Relation between imaging standard deviation and imaging distance of different targets
    Imaging results from different illumination angles of non-line-of-sight imaging
    Relation between imaging standard deviation of different targets and light source illumination angle
    Multi-object non-line-of-sight imaging results
    • Table 1. Imaging speed of non-line-of-sight system

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      Table 1. Imaging speed of non-line-of-sight system

      成像目标成像速度每组平均成像速度系统平均成像速度
      三棱锥+石膏人像(4 cm)2.099 92.060 22.056 5
      1.845 3
      2.235 3
      三棱锥+头盔(3.5 cm)1.998 12.016 1
      1.973 3
      2.076 8
      头盔+石膏人像(3 cm)2.001 32.093 1
      2.082 2
      2.195 7
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    Yuan HAN, Youzhi LI, Zhenchen JI, Hongxu AI, Jiaqi YAO, Yanqiu WANG, Fu ZHENG, Zhibin SUN. Technologies of real-time non-line-of-sight imaging based on time-of-flight array[J]. Optics and Precision Engineering, 2025, 33(3): 377

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    Paper Information

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    Received: Dec. 10, 2024

    Accepted: --

    Published Online: Apr. 30, 2025

    The Author Email:

    DOI:10.37188/OPE.20253303.0377

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