Chuangwei Guo, Yang Wang, Wenzhe Zou, Yuqing Guan, Yujie Zhang, Liqin Liu, Zhishan Gao, Lihua Lei. Study of phase correction method based on multi-frequency heterodyne principle[J]. Infrared and Laser Engineering, 2023, 52(5): 20220697
- Infrared and Laser Engineering
- Vol. 52, Issue 5, 20220697 (2023)
Fig. 1. Dual frequency heterodyne principle
Fig. 2. Error correction flow chart
Fig. 3. Images acquired in the experiment
Fig. 4. Unwrapping phase distribution before and after correction
Fig. 5. Integer level N 12 of
的整数级次
Fig. 6. (a) 3D point cloud before correction; (b) 3D point cloud after correction
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