Table 2 Assessment of situation identification accuracy using data from three data sources.

From: Intelligent escalator passenger safety management

Situation type and number

Video-

Audio-

Sensors

Altogether

Errors

Accuracy increase

A

Secure situation

1724

62.53%

68.3%

56.9%

73.1%

2.51%

8.06%

B

Threatening situation

1293

56.7%

52.12%

82.1%

86.5%

3.19%

26.61%

C

Emergency situation

947

49.81%

75.23%

93.48%

94.71%

0.38%

44.52%

In total, by average:

       

26.397%