Jianchao DU, Chenglong YU, Mengnan ZHAO, Xiaopeng WANG. Fast Screening Method of Bridge Crack Images[J]. Acta Photonica Sinica, 2021, 50(10): 1010002
- Acta Photonica Sinica
- Vol. 50, Issue 10, 1010002 (2021)
Fig. 1. The preprocessing result
Fig. 2. P-tile binarization result
Fig. 3. The longest edge extraction result
Fig. 4. Comparison of the longest edge extraction results
Fig. 5. Minimum circumscribed circle extraction result
Fig. 6. Model curve with automatic threshold determination
Fig. 7. Bridge image screening result
Fig. 8. Comparison of screening performance between Canny algorithm and Gabor algorithm
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Table 1. The manually selected threshold
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Table 2. Comparison of screening performance results
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Table 3. Comparison of average performance data
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Table 4. Comparison results of screening time and detection time
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Table 5. Statistical results of time spent in crack detection
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