Table 5:
Classification results of the proposed system on Weizmann action dataset (A) using ANN, (B) using SVM, (C) using HMM, and (D) using existing HCRF [
30
], while removing the proposed HCRF model (unit: %).
Activities
Bend
Jack
Pjump
Run
Side
Skip
Walk
Wave 1
Wave 2
(A)
Bend
70
4
5
3
3
2
5
5
3
Jack
4
68
3
6
7
2
3
3
4
Pjump
2
4
75
6
3
2
2
2
4
Run
4
2
3
72
6
2
5
3
3
Side
5
3
5
4
65
6
4
6
2
Skip
4
6
4
3
5
67
3
2
6
Walk
4
2
4
7
3
4
70
3
3
Wave 1
2
1
3
3
4
5
7
71
4
Wave 2
2
5
3
6
4
4
3
5
68
Average
69.55
(B)
Bend
69
3
4
4
6
4
2
3
5
Jack
2
72
2
3
4
3
5
4
5
Pjump
1
4
75
2
4
5
4
2
3
Run
2
4
3
78
2
2
4
2
3
Side
2
4
5
3
70
4
3
5
4
Skip
2
1
3
2
4
80
3
3
2
Walk
2
0
3
4
3
2
82
1
3
Wave 1
2
2
3
4
3
2
3
77
4
Wave 2
1
2
1
2
3
1
3
4
83
Average
76.22
(C)
Bend
82
3
0
2
2
3
1
5
2
Jack
3
80
1
2
3
2
3
4
2
Pjump
3
4
85
3
0
0
1
2
2
Run
5
4
2
79
0
2
1
3
4
Side
0
1
5
4
81
3
1
2
3
Skip
3
1
2
2
3
88
0
0
1
Walk
0
2
3
2
1
2
83
3
4
Wave 1
1
3
2
2
4
2
3
78
5
Wave 2
1
2
2
2
2
3
1
0
87
Average
82.56
(D)
Bend
80
2
3
1
4
0
5
2
3
Jack
1
88
0
2
0
3
2
3
1
Pjump
0
2
90
1
0
3
0
2
2
Run
2
1
2
85
2
3
0
0
5
Side
4
1
2
3
80
4
1
2
3
Skip
1
4
0
5
1
84
0
3
2
Walk
2
1
0
0
1
2
89
2
3
Wave 1
3
0
1
2
0
2
0
91
1
Wave 2
4
1
3
0
2
3
0
2
85
Average
85.78