Yao Cheng, Siyi Li, Yongcheng Tang. Scratch Depth Measurement of Optical Glass Based on Interference[J]. Laser & Optoelectronics Progress, 2023, 60(16): 1618001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 16, 1618001 (2023)
Fig. 1. Schematic of the interference fringe image acquisition system
Fig. 2. Flow chart of interference fringe image processing
Fig. 3. Interference fringe binary image. (a) Original image; (b) grayscale image; (c) binary image
Fig. 4. Preprocessed images. (a) Gaussian filtering denoising image; (b) ossification image; (c) deburring image
Fig. 5. Improved template
Fig. 6. Image processed by Canny operator
Fig. 7. Images after Hough transform processing. (a) Hough transform matric display; (b) Hough transform line detection
Fig. 8. Interference fringe bending amount
Fig. 9. Interference fringe spacing
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