| Classifier | Training Sample | Test Sample | Correct identification number | Recognition accuracy | Training time |
| LSSVM | 40 | 40 | 39 | 97.5% | 0.21s |
| SVM | 40 | 40 | 36 | 90% | 1.26s |
| BPNN | 40 | 40 | 34 | 85% | 0.37s |