Research Article

Detecting Small Chinese Traffic Signs via Improved YOLOv3 Method

Table 2

Comparison table.

NamesTT 100 kOur dataset
mAPFPSmAP (%)FPS

HOG + SVM [10]0.12.24.912.4
Faster R-CNN [11]50.33.674.96.20
YOLOv1 [13]16.941.057.872.0
YOLOv1-tiny11.554.938.6168.0
YOLOv2 [14]19.831.265.193.7
YOLOv3 [15]52.925.693.149.2
YOLOv3 + fourth detection layer54.213.398.643.9
Improved YOLOv3 (YOLOv3 + fourth detection layer + soft-NMS)54.313.398.843.8