Yongfu Zhou, Wenlong Li, Ranran Hu. Two-Channel SSD Pedestrian Head Detection Algorithm Based on Multi-Scale Feature fusion[J]. Laser & Optoelectronics Progress, 2021, 58(24): 2415009
- Laser & Optoelectronics Progress
- Vol. 58, Issue 24, 2415009 (2021)
Fig. 1. Structure of SSD300 network
Fig. 2. Structure of two-channel network
Fig. 3. Improved two-channel SSD network model based on feature fusion
Fig. 4. Partial depth images. (a) Image 1; (b) image 2; (c) image 3
Fig. 5. Color images and depth images under different operations. (a) Original images; (b) 180 ° rotation; (c) x-axis reversal; (d) y-axis reversal
Fig. 6. Training loss and accuracy curves. (a) Training loss curve; (b) accuracy curve
Fig. 7. Relationship between precision and recall of different networks
Fig. 8. Detection results of SSD network and two-channel SSD network. (a) Original images; (b)SSD network; (c) two-channel SSD network
Fig. 9. Detection results of SSD network and improved SSD network with multi-scale feature fusion. (a) Original images; (b) SSD network; (c) two-channel SSD network
Fig. 10. Detection results of each algorithm under different illumination variation conditions. (a) SSD algorithm; (b) DSSD algorithm; (c) improved algorithm
Fig. 11. Detection results of each algorithm under different occlusion conditions. (a) SSD algorithm; (b) DSSD algorithm; (c) improved algorithm
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Table 1. Size of default box for each layer
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Table 2. Average accuracy and speed of target detection in different prior frame networks
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Table 3. Average detection accuracy of two-channel SSD network unit: %
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Table 4. Average detection accuracy of multi-scale feature fusion network unit: %
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Table 5. Average detection accuracy of different models unit: %
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