Research Article
Classifying Human Voices by Using Hybrid SFX Time-Series Preprocessing and Ensemble Feature Selection
Table 8
Overall Averaged Performance Comparison of Pre-processing Methods.
| Average performance | Pre-processing methods | Wavelet | LPC-2-CC | SFX | SFX + FS |
| Accuracy % | 52.67789 | 63.70274 | 72.72099 | 76.72044 | Kappa Statistics | 0.335301 | 0.490773 | 0.58568 | 0.643008 | Precision | 0.515225 | 0.652195 | 0.730832 | 0.771412 | Recall | 0.519617 | 0.638896 | 0.721978 | 0.763601 | F-measure | 0.496758 | 0.610196 | 0.701144 | 0.747919 | ROC | 0.717222 | 0.787528 | 0.836521 | 0.859025 |
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