Jun LONG, Ping CAI, Shuyuan PAN, Chiyue LIU, Hao YAN. Phase Stitching Based Multi-CCDs Deformation Measurement in Digital Speckle Pattern Interferometry[J]. Acta Photonica Sinica, 2022, 51(4): 0412003
- Acta Photonica Sinica
- Vol. 51, Issue 4, 0412003 (2022)
Fig. 1. Multi-CCD DSPI experimental setup
Fig. 2. The flow chart of proposed method of phase stitching
Fig. 3. Experiment setup
Fig. 4. The relationship between the standard deviation of the difference of before and after stitching and size of overlapping area
Fig. 5. Unwrapped phase map and the relative errors of the overlapping area before and after stitching
Fig. 6. Least square fitting and fitting residuals
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Table 1. The RMSE and R of the measurement results
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