Gang Li, Yongqiang Chen, Tingquan He, Yu Dai, Dongchao Lan. Crack Detection Algorithm Based on Improved Multibranch Feature Shared Structure Network[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1215005
- Laser & Optoelectronics Progress
- Vol. 59, Issue 12, 1215005 (2022)
Fig. 1. Depth separable convolution. (a) Convolution process; (b) convolution structure
Fig. 2. Pyramid pooling module
Fig. 3. Improved multi-branch feature shared structure network
Fig. 4. Structure diagram of modules. (a) GCN module; (b) BR module
Fig. 5. Structure diagram of RRC module
Fig. 6. Process of dataset annotation and crop
Fig. 7. Training loss and accuracy obtained by changing the initial learning rate. (a) Loss; (b) accuracy
Fig. 8. Visual comparison results of different algorithms in crack images with noise
Fig. 9. Change trend of each indicator. (a) Evaluation index; (b) PR curve
Fig. 10. Segmentation effects of the proposed algorithm on the public dataset
Fig. 11. Schematic of visualized results of crack skeleton extraction
Fig. 12. Comparison of measurement errors of crack length and width
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Table 1. Partition of crack dataset
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Table 2. Performance comparison of different crack detection algorithms
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Table 3. Test results of the proposed algorithm on different public datasets
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Table 4. Relative errors of length and width of different comparison algorithms
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