Hongchao FAN, Wanzhi LI, Chaoquan ZHANG. Anchor-Free Traffic Sign Detection [J]. Journal of Geo-information Science, 2020, 22(1): 88
- Journal of Geo-information Science
- Vol. 22, Issue 1, 88 (2020)
Fig. 1. AF-TSD network structure
Fig. 2. Pre-processing of the input image
Fig. 3. Pipeline of deformable convolution
Fig. 4. Traditional convolution and deformable convolution
Fig. 5. Pipeline of the attention mechanism
Fig. 6. GTSDB dataset
Fig. 7. Curve of precision relative to recall rate in traffic sign detection
Fig. 8. Curve of training loss and test loss in AF-TSD network （the first 150 iterations）
Fig. 9. Traffic signs detection results
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Table 2. Performance comparison of AF-TSD with Faster R-CNN, RetinaNet, YOLOv3, and YOLOve （Anchor-free）
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