Yuhao Pan, Jiangshu Wei, Lingpeng Zeng. Farmland Bird Detection Algorithm Based on YOLOv3[J]. Laser & Optoelectronics Progress, 2022, 59(2): 0233001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 2, 0233001 (2022)
Fig. 1. Images of bird samples
Fig. 2. Network structure diagram of YOLOv3
Fig. 3. Residual module. (a) Original Resblock; (b) SE-Resblock
Fig. 4. Improved network structure
Fig. 5. Structure of ASFF-2
Fig. 6. Normalized distance between prediction frame and target frame
Fig. 7. Curve of learning rate changing with epoch times using annealing attenuation method
Fig. 8. Loss curves of different detection algorithms varying with number of epoch
Fig. 9. Comparison of detection algorithm before and after improvement
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Table 1. Performance comparison of different feature fusion modules on testing set
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Table 2. Performance comparison of bounding box regression loss function optimization on testing set
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Table 3. Comparison of different detection algorithms
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