Zhihui Fang, Bin Chen, Shiqian Wu. Multi-Core Heterogeneous Three-Dimensional Measurement System Based on Phase-Shift Profilometry[J]. Laser & Optoelectronics Progress, 2023, 60(14): 1412002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 14, 1412002 (2023)
Fig. 1. Measurement system of phase-shift profilometry
Fig. 2. System composition block diagram
Fig. 3. Architecture of embedded 3D measurement system
Fig. 4. Phase demodulation module
Fig. 5. Calculation results of wrapped phase. (a) Captured phase shift image; (b) whole field wrapped phase; (c) local wrapped phase
Fig. 6. Schematic diagram of complementary Gray-code
Fig. 7. Phase unwrapping module
Fig. 8. Calculation results of unwrapped phase. (a) Whole field unwrapped phase; (b) local unwrapped phase
Fig. 9. Phase-depth mapping module
Fig. 10. Without pipelining
Fig. 11. With pipelining
Fig. 12. Embedded structured light 3D measurement system
Fig. 13. Measurement results. (a) Nose model; (b) portrait model Ⅰ; (c) portrait model Ⅱ; (d) plane
Fig. 14. Histogram of error between measurement results of the proposed method and that of Matlab
Fig. 15. Error in plane fitting
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Table 1. Comparison of clock cycles without or with pipelining
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Table 2. Resource utilisation
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Table 3. Comparison of 3D measurement speed of each platform
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