Feng Liu, Min Han, Jun Wang, Chao Liu. Automatic Detection of Dental Lesions Based on Deep Learning[J]. Chinese Journal of Lasers, 2022, 49(20): 2007207
- Chinese Journal of Lasers
- Vol. 49, Issue 20, 2007207 (2022)
Fig. 1. YOLOV5 structure
Fig. 2. CSP structure
Fig. 3. Network feature fusion realized with FPN＋PAN
Fig. 4. Comparison of learning rate strategy convergence. (a) Cosine annealing strategy; (b) one-dimensional linear interpolation strategy; (c) step reduction strategy
Fig. 5. Dental X-ray image and two types of lesions
Fig. 6. Training results display. (a) Bounding box loss; (b) classification loss; (c) confidence loss; (d) precision; (e) recall rate
Fig. 7. P-R curve
Fig. 8. Examples, where caries label represents the are is caries and cyst label represents the area is periapical lesion
Fig. 9. Visualization of thermodynamic diagram. (a) Original drawing; (b) thermodynamic diagram
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Table 1. Evaluation indices comparison of different algorithms
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