Rongqi Jiang, Zecong Ye, Yueping Peng, Guorong Xie, Heng Du. Lightweight Target Detection Algorithm for Small and Weak Drone Targets[J]. Laser & Optoelectronics Progress, 2022, 59(8): 0810006
- Laser & Optoelectronics Progress
- Vol. 59, Issue 8, 0810006 (2022)
Fig. 1. Partial pictures of datasets. (a) Dataset A; (b) Dataset B
Fig. 2. Analysis of size of drone targets in two datasets. (a) Dataset A; (b) Dataset B
Fig. 3. Structure diagram of YOLOv4-tiny algorithm. (a) YOLOv4-tiny; (b) CSPBlock
Fig. 4. Structure diagram of DTD-YOLOv4-tiny model
Fig. 5. ShuffleNetV2 and improved backbone network structure. (a) ShuffleV2Block; (b) backbone network of ShuffleNetV2; (c) backbone network of proposed algorithm
Fig. 6. FPN structure comparison of different detection models. (a) YOLOv4-tiny; (b) YOLOv4-tiny (YOLO-Head enhancement); (c) DTD-YOLOv4-tiny
Fig. 7. Working principle of reorg_layer
Fig. 8. Working principles of sub-pixel Conv and sub-pixel. (a) Sub-pixel Conv; (b) sub-pixel
Fig. 9. Comparison of accuracy and detection speed of different target detection models under different datasets. (a) Dataset A; (b) Dataset B
Fig. 10. Comparison of partial detection results of test set on different datasets. (a) YOLOv4-tiny (Dataset A); (b) DTD-YOLOv4-tiny (Dataset A); (c) YOLOv4-tiny (Dataset B); (d) DTD-YOLOv4-tiny (Dataset B)
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Table 1. Performance comparison of different algorithms in MS COCO dataset
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Table 2. Ablation experiment results of DTD-YOLOv4-tiny algorithm
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Table 3. 4 Performance comparison of different algorithms on Dataset A
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Table 4. Performance comparison of different algorithms on Dataset B
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