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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- Laser & Optoelectronics Progress
- Vol. 60, Issue 8, 0811015 (2023)
Fig. 1. Principle schematic diagram of structured light 3D measurement system based on high-speed LED array
Fig. 2. Physical picture of 3D measurement system based on high-speed LED array
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
Fig. 4. Results of image processing by phase-shift method and multi-frequency heterodyne method. (a)(b) Wrapped phase; (c) absolute phase
Fig. 5. 3D measurement result of static ladder objects
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
Fig. 7. 3D measurement result of dynamic ladder objects
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Table 1. Absolute height error of each step face of the dynamic step object
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