Deep Learning-Enabled Automatic Detection of Bridges for Promoting Transportation Surveillance under Different Imaging Conditions

Figure 9

The comparisons of different competing methods for bridge detection under simple backgrounds. From left to right: (a) original images and detected results by (b) Faster R-CNN, (c) YOLOv3, (d) YOLOv4, and (e) YOLOv5s, respectively.

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