• Laser & Optoelectronics Progress
  • Vol. 60, Issue 8, 0811015 (2023)
Xiehui Geng1, Jingming Song1, Lei Zhang2, Chao Zuo3, and Mingjie Sun1、*
Author Affiliations
  • 1School of Instrument Science and Optoelectronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • 2The Eleventh Research Institute of China Electronics Technology Group, Beijing 100015, China
  • 3School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu , China
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    DOI: 10.3788/LOP223404 Cite this Article Set citation alerts
    Xiehui Geng, Jingming Song, Lei Zhang, Chao Zuo, Mingjie Sun. Three-Dimensional Measurement System of Fringe-Structured Light Based on High-Speed LED Array[J]. Laser & Optoelectronics Progress, 2023, 60(8): 0811015 Copy Citation Text show less
    Principle schematic diagram of structured light 3D measurement system based on high-speed LED array
    Fig. 1. Principle schematic diagram of structured light 3D measurement system based on high-speed LED array
    Physical picture of 3D measurement system based on high-speed LED array
    Fig. 2. Physical picture of 3D measurement system based on high-speed LED array
    Measured object and static phase shift fringe patterns. (a) Measured ladder object; (b)(c)(d)three-step phase-shifting fringe pattern; (e)(f)(g)(h) four-step phase-shifting fringe pattern
    Fig. 3. Measured object and static phase shift fringe patterns. (a) Measured ladder object; (b)(c)(d)three-step phase-shifting fringe pattern; (e)(f)(g)(h) four-step phase-shifting fringe pattern
    Results of image processing by phase-shift method and multi-frequency heterodyne method. (a)(b) Wrapped phase; (c) absolute phase
    Fig. 4. Results of image processing by phase-shift method and multi-frequency heterodyne method. (a)(b) Wrapped phase; (c) absolute phase
    3D measurement result of static ladder objects
    Fig. 5. 3D measurement result of static ladder objects
    Dynamic phase shift fringe patterns. (a) (b)(c) Three-step phase-shifting fringe patterns; (d) (e)(f)(g) four-step phase-shifting fringe patterns
    Fig. 6. Dynamic phase shift fringe patterns. (a) (b)(c) Three-step phase-shifting fringe patterns; (d) (e)(f)(g) four-step phase-shifting fringe patterns
    3D measurement result of dynamic ladder objects
    Fig. 7. 3D measurement result of dynamic ladder objects
    Step surface No.Step surface 1Step surface 2Step surface 3(benchmark)Step surface 4
    Absolute height error0-0.02-0.01-0.05
    Table 1. Absolute height error of each step face of the dynamic step object
    Xiehui Geng, Jingming Song, Lei Zhang, Chao Zuo, Mingjie Sun. Three-Dimensional Measurement System of Fringe-Structured Light Based on High-Speed LED Array[J]. Laser & Optoelectronics Progress, 2023, 60(8): 0811015
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