Guangda Xie, Yang Li, Hongquan Qu, Zaiming Sun. Small Target Accurate Vehicle Detection Algorithm Based on Improved Transformer[J]. Laser & Optoelectronics Progress, 2022, 59(18): 1815016
- Laser & Optoelectronics Progress
- Vol. 59, Issue 18, 1815016 (2022)
Fig. 1. Overall architecture of image enhancement model
Fig. 2. Generator (G) (up) and Transformer block (down)
Fig. 3. Edge-enhancement network
Fig. 4. Swin Transformer detection process
Fig. 5. Swin Transformer block and SW-MSA. (a) Swin Transformer block; (b) W-MSA; (c) SW-MSA
Fig. 6. Vehicle detection process
Fig. 7. Examples of UA-DETRAC dataset
Fig. 8. Training process of Swin Transformer and proposed model. (a) Swin Transformer; (b) proposed model
Fig. 9. Contrast of sharpness and detection effect between original image and image enhancement. (a) (b) (c) (d) Illumination change; (e) (f) (g) (h) blurred, dense small targets; (i) (j) (k) (l) long range small targets
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Table 1. Comparison results of different detection algorithm performance
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