Xin Yang, Qiong Wang, Yazhou Yao, Zhenmin Tang. Improved Aircraft Detection of Optical Remote Sensing Image Based on Faster R-CNN[J]. Laser & Optoelectronics Progress, 2023, 60(12): 1228007
- Laser & Optoelectronics Progress
- Vol. 60, Issue 12, 1228007 (2023)
Fig. 1. Faster R-CNN algorithm framework after basic module introduced
Fig. 2. Structure of ResNet50
Fig. 3. Structure of ResNet50 and FPN
Fig. 4. Structure of CBAM
Fig. 5. Cutting process of sliding window
Fig. 6. Post-processing of prediction results
Fig. 7. Examples of aircraft categories
Fig. 8. Distribution of aircraft number by class
Fig. 9. Distribution of aircraft size
Fig. 10. Feature map before adding channel attention
Fig. 11. Feature map after adding channel attention
Fig. 12. Feature map comparison before and after adding spatial attention.(a) Input; (b) feature map of channel 14 that is not added to CBAM; (c) feature map of channel 14 after CBAM added
Fig. 13. Comparison before and after use of post-processing
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Table 1. Performance comparison of feature extraction network before and after lightweight
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Table 2. Performance comparison of different target detection algorithms before and after lightweight
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Table 3. Performance comparison of different target detection tasks before and after lightweight
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Table 4. Performance comparison of CBAM attention mechanism
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Table 5. Experiment results of midline single frame prediction and multi-scale training
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