Yong Xuan, Chao Han, Wenhan Sha. Improved Tiny YOLOv4 Algorithm and Its Application in Pedestrian Detection[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1215002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 12, 1215002 (2022)
Fig. 1. Network structure of Tiny YOLOv4
Fig. 2. Improved network structure
Fig. 3. Network structures of traditional convolution and depthwise separable convolution. (a) Network structure of traditional convolution; (b) network structure of depthwise separable convolution
Fig. 4. Channel attention structure
Fig. 5. Structure diagram of spatial attention module
Fig. 6. Feature enhancement module
Fig. 7. Loss values of different network structures. (a) Loss values of YOLOv4; (b) loss values of Tiny YOLOv4; (c) loss values of improved network
Fig. 8. Experimental results
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Table 1. Comparison of training parameters of different network models
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Table 2. Size comparison of different network models
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Table 3. Test results of different algorithms on different datasets
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Table 4. Comparison of results of detection algorithm
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Table 5. Ablation experiments on mixed datasets
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