Table 4.
The classification accuracy (%) from subject A1 to subject A9 for different numbers of augmentation samples, where denotes the number of fake samples introduced in the training set and A1–A9 denotes nine different subjects.
| A1 | A2 | A3 | A4 | A5 | A6 | A7 | A8 | A9 | Mean | Std | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 65.51 | 45.18 | 78.62 | 53.58 | 55.64 | 56.03 | 71.28 | 75.02 | 70.78 | 63.52 | 10.70 |
| 500 | 74.01 | 48.78 | 80.97 | 60.51 | 64.40 | 57.56 | 74.45 | 80.07 | 76.04 | 68.53 | 10.55 |
| 1,000 | 77.32 | 48.69 | 81.55 | 61.64 | 66.69 | 58.00 | 77.10 | 80.12 | 78.01 | 69.90 | 10.97 |
| 2000 | 77.95 | 50.37 | 81.94 | 63.74 | 67.35 | 57.03 | 79.30 | 83.88 | 80.24 | 71.31 | 11.42 |
| 3,000 | 79.60 | 54.25 | 83.84 | 60.93 | 70.54 | 62.18 | 79.94 | 82.01 | 81.36 | 72.82 | 10.44 |
| 4,000 | 79.60 | 51.94 | 85.87 | 65.24 | 68.34 | 61.31 | 78.39 | 83.48 | 81.17 | 72.82 | 10.94 |