Table 2 Summary of experimental results under noise condition

Group 1

Subject 4

Video 1 (12′03″)

2.52/0.92

1.90/0.89

Video 2 (10′01″)

2.15/0.97

2.32/0.83

Group 2

Subject 2

Video 3 (13′25″)

2.83/0.82

2.91/0.81

Group 3

Subject 3

Video 5 (12′30″)

2.63/0.89

1.91/0.91

Video 6 (12′55″)

2.25/0.91

2.12/0.89

Group 4

Subject 8

Video 7 (11′10″)

2.45/0.92

1.82/0.93

Video 8 (11′36″)

2.58/0.91

1.98/0.93

Group 5

Subject 1

Video 9 (12′20″)

2.62/0.87

1.70/0.95

Video 10 (12′58″)

2.43/0.88

1.64/0.93

Group 6

Subject 6

Video 11 (13′01″)

2.48/0.89

1.90/0.89

Video 12 (13′59″)

3.15/0.80

1.65/0.91

Group 7

Subject 7

Video 13 (12′11″)

2.18/0.92

1.81/0.92

Video 14 (12′29″)

2.28/0.89

1.95/0.90

Group 8

Subject 5

Video 15 (13′07″)

2.08/0.91

1.69/0.93

Video 16 (12′55″)

2.55/0.86

1.92/0.90