Table 3 Detection results of CCTSDB 2021 in different object sizes (unit: %).

From: Improved YOLOv5-based for small traffic sign detection under complex weather

Method

XS

S

M

L

XL

P

R

P

R

P

R

P

R

P

R

SSD21

74.84

16.61

72.92

25.44

89.48

32.68

97.74

54.6

99.29

82.65

YOLOv318

86.76

39.24

86.1

66.33

92.88

68.79

80.68

60.68

89.21

71.39

RetinaNet38

77.64

47

86.67

64.77

91.59

78.03

85.6

88.5

86.04

84.15

YOLOv419

62.44

36.96

70.16

46.47

77.36

59.97

91.55

96.55

96.09

97.43

Faster R-CNN14

77.14

48.67

83.62

78.08

88.97

79.23

85.06

88.09

85.26

81.31

Dynamic R-CNN39

81.24

51.42

83.48

78.87

91.38

80.25

83.28

90.04

83.44

84.31

YOLOv520

75.6

55.9

88.6

75.7

94.7

88.3

97.3

89

96.9

91.3

PSG-Yolov540

79.8

67.3

90.4

78.6

95.9

88.5

97.9

90

97.2

90.4

Ours

88.1

79.8

92.4

81.4

96.2

88.6

98.3

90.7

97.2

89.6