Jiwei LANG, Fuzhong BAI, Jianxin WANG, Naiting GU. Progress on region segmentation techniques for optical interferogram[J]. Optical Instruments, 2023, 45(1): 87
- Optical Instruments
- Vol. 45, Issue 1, 87 (2023)
Fig. 1. Single frame of interferogram
Fig. 2. The process of interferogram region segmentation based on morphology principle
Fig. 3. The process of interferogram region segmentation based on the second-order gradient entropy
Fig. 4. Position registration process based on statistical analysis of sequential phase-shifting interferograms
Fig. 5. Position registration process of simultaneous phase-shifting interferograms based on phase correlation algorithm
Fig. 6. Diagram of lateral shearing interference
Fig. 7. Lateral shearing interferogram and edge detection
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