Feng GUO, Qibing ZHU, Min HUANG, Xiaoxiang XU. Defect detection in ceramic substrate based on improved YOLOV4[J]. Optics and Precision Engineering, 2022, 30(13): 1631
- Optics and Precision Engineering
- Vol. 30, Issue 13, 1631 (2022)
Fig. 1. Automatic defect detecting platform for ceramic substrate
Fig. 2. Image processing
Fig. 3. Defects of ceramic substrate
Fig. 4. Statistical chart of sample number of defects and their size distribution
Fig. 5. Structure of CCNet
Fig. 6. Structure of YOLOV4-CS
Fig. 7. Convergence plot of loss function
Fig. 8. Local detection results of different models
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Table 1. Size of prior boxes
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Table 2. Results of defect detection
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Table 3. Defect detection results of different algorithms
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Table 4. Results of different ablation experiments
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Table 5. Results of different kinds of attention networks
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Table 6. Results of different kinds of prior box
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