Yuwei Wang, Xiangcheng Chen, Yajun Wang. Modified dual-frequency geometric constraint fringe projection for 3D shape measurement[J]. Infrared and Laser Engineering, 2020, 49(6): 20200049
- Infrared and Laser Engineering
- Vol. 49, Issue 6, 20200049 (2020)
Fig. 1. Phase unwrapping of traditional two-frequency fringe
Fig. 2. Phase unwrapping using geometric constraint
Fig. 3. Phase unwrapping of modified two-frequency fringe
Fig. 4. Phase simulation of traditional two-frequency fringe
Fig. 5. Simulation of modified two-frequency fringe
Fig. 6. Relation curves between the ratio γ and the number of wrongly unwrapped pixels M under different levels (standard deviation σ ) of Gaussian noises
Fig. 7. Experiment of traditional two-frequency fringe
Fig. 8. Experiment of modified two-frequency fringe
Fig. 9. 3D shape measurement of the Doraemon. (a) Traditional two-frequency fringe; (b) modified two-frequency fringe
Fig. 10. 3D shape measurement of the ball. (a) Traditional two-frequency fringe; (b) modified two-frequency fringe
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