Yanjun Fu, Yonghua Han, Yuan Chen, Pengfei Zhang, Jiannan Gui, Kequn Zhong, Caimin Huang. Research progress of 3D measurement technology based on phase coding[J]. Infrared and Laser Engineering, 2020, 49(3): 0303010
- Infrared and Laser Engineering
- Vol. 49, Issue 3, 0303010 (2020)
Fig. 1. Measurement system diagram
Fig. 2. Phase code unwrapping flowchart
Fig. 3. Two-step coded phase and wrapped phase of a row
Fig. 4. (a) Wrapped phase and the coded phase of a row; (b) Segmented fringe orderk of a row
(a) 某一行的包裹相位和编码相位； (b) 某一行的分段条纹级次
Fig. 5. Schematic diagram of a segmented fringe order connecting a row
Fig. 6. Minimum phase acquisition step phase map
Fig. 7. Improved two-step phase coding schematic
Fig. 8. Quantized phase coding method
Fig. 9. Fringe order calculation process
Fig. 10. Initial quantization encoding phase of a row
Fig. 11. Segment quantization phase decoding principle. (a) Segmented fringe order and reverse segmented fringe order; (b) Recovered absolute phase
Fig. 12. Generated fringe order graph
Fig. 13. Measured step phase and improved step phase of a row
Fig. 14. Schematic diagram of the implementation process of cycle correction method
Fig. 15. Schematic diagram of n =2 phase shift coding method. (a) Phase-shifting fringe order; (b)Wrapped phase and fringe order of a row
Fig. 16. (a) Wrapping phase of a row; (b) Step phase of a row
Fig. 17. Three - dimensional measurement result of the blade
Fig. 18. Result diagram of an isolated object
Fig. 19. Measurement results of the statue
Fig. 20. Measurement results of isolated objects
Fig. 21. Three-dimensional measurement of complex objects
Fig. 22. Three - dimensional measurement result of the mask
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20