Table 5 Some statistics about the actions: Action Identification Number (Column 1); Number of the manual annotated instances (Column 2); Minimum Length (Column 3), Maximum Length(Column 4), Mean Length (Column 5) and Variance (Column 6) of each action in terms of number of frames; Mean Length (Column 7) and Variance (Column 8) of each action in seconds.

From: The HA4M dataset: Multi-Modal Monitoring of an assembly task for Human Action recognition in Manufacturing

Action ID

Action Instances

Min Length (frames)

Max Length (frames)

Mean Length (frames)

Variance (frames)

Mean Length (sec)

Variance (sec)

1

217

8

263

100.23

42.99

3.34

1.43

2

651

22

207

66.29

26.01

2.20

0.86

3

651

25

210

70.27

23.71

2.34

0.79

4

217

63

632

148.57

62.92

4.95

2.09

5

217

48

264

113.88

42.52

3.79

1.41

6

217

37

384

98.47

42.32

3.28

1.41

7

217

38

254

93.67

35.10

3.11

1.16

8

217

54

415

161.23

63.05

5.38

2.09

9

217

114

4984

722.35

682.27

23.66

22.01

10

217

40

843

210.35

116.40

7.01

3.87

11

434

50

918

188.48

115.71

6.28

3.85

12

217

134

1488

443.70

197.60

14.7

6.58