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- Optics and Precision Engineering
- Vol. 31, Issue 12, 1816 (2023)

Fig. 1. Overall network framework

Fig. 2. Structure of feature extraction network

Fig. 3. Structure of residual block

Fig. 4. Improved channel attention module

Fig. 5. Network pre-training strategy

Fig. 6. Thermal map effect of railway datasets

Fig. 7. Sample distribution with and without model pre-training and center related loss
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Table 1. Railway dataset composition
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Table 1. [in Chinese]
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Table 2. [in Chinese]
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Table 2. Experiment results on MiniImageNet dataset(%)
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Table 3. Experiment results on railway datasets
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Table 4. mAp on different kinds of object
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Table 5. Experiments on different attention mechanism(%)
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Table 6. Ablation experiments on railway datasets
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Table 7. Model accuracy under different K-shot

Baoqing GUO, Defen ZHANG. Railway few-shot intruding objects detection method with metric meta learning[J]. Optics and Precision Engineering, 2023, 31(12): 1816
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