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Chinese Journal of Lasers, Volume. 47, Issue 1, 0110004(2020)

Fast Target Three-Dimensional Reconstruction Algorithm for Streak Tube Laser Imaging Radar

Ailin Liu1,2,4, Jingjin Zhang1,2, Sining Li3, Jianfeng Sun3, Lihong Niu2, and Baoping Guo2、*
Author Affiliations
  • 1College of Electronic and Information Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
  • 2College of Physical and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry Education, Shenzhen University, Shenzhen, Guangdong 518060, China
  • 3National Key Laboratory of Science and Technology on Tunable Laser, Institute of Opto-Electronic, Harbin Institute of Technology, Harbin, Heilongjiang 150080, China
  • 4School of Electronic and Information Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425100, China
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    References (13)
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    Figures & Tables(10)
    Diagram of 3D object reconstruction of streak image. (a) Sampling with equal intervals; (b) reconstruction steps

    Fig. 1. Diagram of 3D object reconstruction of streak image. (a) Sampling with equal intervals; (b) reconstruction steps

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    Structural diagram of streak tube laser imaging radar

    Fig. 2. Structural diagram of streak tube laser imaging radar

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    Short-range target physical image. (a) Target physical image; (b) target streak image

    Fig. 3. Short-range target physical image. (a) Target physical image; (b) target streak image

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    Reconstructed three-dimensional target images from close-in target streak image. (a) S=100%, OT=0.607 s, OCorr=1; (b) S=4%, BT=0.244 s, BCorr=0.93; (c) S=4%, NT=0.178 s, NCorr=0.92

    Fig. 4. Reconstructed three-dimensional target images from close-in target streak image. (a) S=100%, OT=0.607 s, OCorr=1; (b) S=4%, BT=0.244 s, BCorr=0.93; (c) S=4%, NT=0.178 s, NCorr=0.92

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    Comparison of reconstructing effects of two methods for close-in targets. (a) Reconstructing time; (b) correlation coefficient of reconstructed matrix

    Fig. 5. Comparison of reconstructing effects of two methods for close-in targets. (a) Reconstructing time; (b) correlation coefficient of reconstructed matrix

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    Physical picture and streak image of remote target. (a) Target physical picture; (b) target streak image

    Fig. 6. Physical picture and streak image of remote target. (a) Target physical picture; (b) target streak image

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    Reconstructed target three-dimensional image from remote target streak image. (a)S=100%, OT=6.155 s,OCorr=1; (b) S=4%, BT=1.847 s, BCorr=0.99;(c) S=4%, NT=1.356 s, NCorr=0.98

    Fig. 7. Reconstructed target three-dimensional image from remote target streak image. (a)S=100%, OT=6.155 s,OCorr=1; (b) S=4%, BT=1.847 s, BCorr=0.99;(c) S=4%, NT=1.356 s, NCorr=0.98

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    Comparison of reconstruction effects between two methods for remote targets. (a) Reconstruction time; (b) correlation coefficient of reconstruction matrix

    Fig. 8. Comparison of reconstruction effects between two methods for remote targets. (a) Reconstruction time; (b) correlation coefficient of reconstruction matrix

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    • Table 1. Reconstruction time and correlation coefficient of different sampling rate for close-in targets

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      Table 1. Reconstruction time and correlation coefficient of different sampling rate for close-in targets

      S100%81%64%49%36%25%16%9%4%
      BT /s0.6070.7180.6380.5630.4860.4160.3630.2960.244
      BCorr10.99110.98400.97610.96250.96360.96150.94490.9296
      NT /s0.6070.6190.5220.4550.3980.3320.2740.2220.178
      NCorr10.98920.98650.98010.96410.96230.95030.93820.9150

    • Table 2. Reconstruction time and correlation coefficient corresponding to different sampling rate for remote targets

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      Table 2. Reconstruction time and correlation coefficient corresponding to different sampling rate for remote targets

      S100%81%64%49%36%25%16%9%4%
      BT /s6.1557.4946.1005.2344.9823.6593.4582.4131.847
      BCorr10.99780.99700.99650.99560.99410.99330.99250.9902
      NT /s6.1555.9875.1224.4103.7302.9842.4021.8291.358
      NCorr10.99850.99690.99530.99340.99130.98970.98710.9803
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    Ailin Liu, Jingjin Zhang, Sining Li, Jianfeng Sun, Lihong Niu, Baoping Guo. Fast Target Three-Dimensional Reconstruction Algorithm for Streak Tube Laser Imaging Radar[J]. Chinese Journal of Lasers, 2020, 47(1): 0110004

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    Paper Information

    Category: remote sensing and sensor

    Received: Jun. 26, 2019

    Accepted: Oct. 9, 2019

    Published Online: Jan. 9, 2020

    The Author Email: Baoping Guo (bpguo@szu.edu.cn)

    DOI:10.3788/CJL202047.0110004

    Topics

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