Table 1 Confusion Matrix for functional hand gesture and finger flexion recognition system
From: Selection of suitable hand gestures for reliable myoelectric human computer interface
Classes | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Acc | FNP | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Neutral | 70 | 20 | 8 | 13 | 4 | 0 | 4 | 1 | 0 | 0 | 58 | 20 |
2 | Thumb | 16 | 97 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 81 | 74 |
3 | Index | 4 | 0 | 98 | 3 | 2 | 0 | 6 | 5 | 2 | 0 | 82 | 76 |
4 | Middle | 13 | 0 | 4 | 88 | 3 | 0 | 0 | 11 | 0 | 1 | 73 | 56 |
5 | Ring | 3 | 0 | 0 | 1 | 114 | 1 | 0 | 1 | 0 | 0 | 95 | 108 |
6 | Little | 4 | 2 | 0 | 2 | 4 | 105 | 1 | 2 | 0 | 0 | 88 | 90 |
7 | Pinch | 4 | 8 | 7 | 0 | 0 | 0 | 89 | 9 | 3 | 0 | 74 | 58 |
8 | Tripod | 1 | 1 | 4 | 9 | 0 | 4 | 9 | 86 | 6 | 0 | 72 | 52 |
9 | Hand Close | 0 | 0 | 9 | 0 | 2 | 0 | 5 | 8 | 96 | 0 | 80 | 72 |
10 | Hand Open | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 117 | 98 | 114 |
FPP | 25 | 66 | 66 | 60 | 99 | 100 | 60 | 44 | 84 | 116 | |||
Average Accuracy | 80.0 | ||||||||||||
Average Sensitivity | 80.0 | ||||||||||||
Average Specificity | 97.8 | ||||||||||||