227
Classification of Hand Motion Using Surface EMG Signals
–1
–0.8
–0.6
–0.4
–0.2
0
Concordance Correlation
Coefficient
0.2
0.4
0.6
0.8
1
Min & max values
Average values
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Channel
(a)
–1
–0.8
–0.6
–0.4
–0.2
0
Concordance Correlation
Coefficient
0.2
0.4
0.6
0.8
1
Min & max values
Average values
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
Channel
(b)
–1
–0.8
–0.6
–0.4
–0.2
0
Concordance Correlation
Coefficient
0.2
0.4
0.6
0.8
1
Min & max values
Average values
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Channel
(c)
FIGURE 12.4
Concordance correlation coefficients for three gestures: (a) thumb, (b) index, and (c) OK
gesture.
Classification of Hand Motion Using Surface EMG Signals
–1
–0.8
–0.6
–0.4
–0.2
0
Concordance Correlation
Coefficient
0.2
0.4
0.6
0.8
1
Min & max values
Average values
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Channel
(a)
–1
–0.8
–0.6
–0.4
–0.2
0
Concordance Correlation
Coefficient
0.2
0.4
0.6
0.8
1
Min & max values
Average values
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
Channel
(b)
–1
–0.8
–0.6
–0.4
–0.2
0
Concordance Correlation
Coefficient
0.2
0.4
0.6
0.8
1
Min & max values
Average values
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Channel
(c)
FIGURE 12.4
Concordance correlation coefficients for three gestures: (a) thumb, (b) index, and (c) OK
gesture.