Yixiang Zhang, Lianxin Zhang. Profile Measurement of High-Reflective Surface Based on Projected Fringe Profilometry and Independent Component Analysis[J]. Laser & Optoelectronics Progress, 2020, 57(5): 051201
- Laser & Optoelectronics Progress
- Vol. 57, Issue 5, 051201 (2020)
Fig. 1. Experimental setup
Fig. 2. Reflection model of object surface
Fig. 3. Relationship between intensity and rotation angle of polarizer
Fig. 4. Main procedure of ICA
Fig. 5. Newton iteration algorithm
Fig. 6. Flow chart of experiment
Fig. 7. Distortion fringe image
Fig. 8. Polarization images at different rotation angles. (a) Polarization image at 20°; (b) polarization image at 40°; (c) polarization image at 60°
Fig. 9. Separation images using ICA. (a) Specular components; (b) diffuse components
Fig. 10. Reconstructed result of traditional projected fringe profilometry
Fig. 11. Reconstructed result of ICA algorithm
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Table 1. Fitting results of valid data obtained by two methodsmm
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