| No. | Method | Accuracy (%) | # Features | Description |
| 1 | NR-2L | 92.56 | 881 | Result by Wang et al. |
| 2 | AAC_3 | 97.56 | 180 | AAC based classifier with z = 3 |
| 3 | DC_2 | 97.87 | 1600 | DC based classifier with z = 2 |
| 4 | AAC_3 FS | 97.87 | 100 | AAC based classifier with z = 3 and feature selection |
| 5 | DC_2 FS | 98.48 | 120 | DC based classifier with z = 2 and feature selection |