Xueli Xie, Chuanxiang Li, Xiaogang Yang, Jianxiang Xi, Tong Chen. Dynamic Receptive Field-Based Object Detection in Aerial Imaging[J]. Acta Optica Sinica, 2020, 40(4): 0415001
- Acta Optica Sinica
- Vol. 40, Issue 4, 0415001 (2020)
Fig. 1. Structure of RetinaNet
Fig. 2. Internal structure of dual attention SE-ResNeXt module
Fig. 3. Bottom-up short connection
Fig. 4. Structure of pixel-wise addition module
Fig. 5. Structure of GCU module
Fig. 6. Structure of object detection subnet
Fig. 7. Structure of DRF module
Fig. 8. Partial sample of VISDrone-g dataset
Fig. 9. Statistical of the VISDrone-g. (a) Object scale distribution characteristics; (b) object frame length and width proportional distribution characteristics
Fig. 10. Detailed explanation of COCO object detection and evaluation indexes [26]
Fig. 11. Visual contrast between DRF-RetinaNet and RetinaNet*. (a)(c)(e) DRF-RetinaNet's detection result; (b)(d)(f) RetinaNet's detection result
Fig. 12. Detection results of dim light
Fig. 13. Detection results of dense objects
Fig. 14. Detection results of oblique view
Fig. 15. Detection results of down view
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Table 1. Focal Loss parameter tuning
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Table 2. Performance comparison of model components
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Table 3. Performance comparison of each algorithm
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Table 4. Performance comparison of algorithms for different scales object detection
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