Table 8.

The accuracy results of the seven feature extraction methods using our database.

	ED	PCCD	SKLD	HD	KD	BD
DFT	0.8167	0.7500	0.8500	0.9167	0.8667	0.9000
Mean	0.5333	0.6333	0.6833	0.7833	0.7333	0.7500
RMS	0.6833	0.8833	0.7667	0.9000	0.8333	0.8833
EMD	0.7333	0.9500	0.8667	0.9000	0.8167	0.9167
DWT	0.7167	0.9833	0.7667	0.8833	0.8167	0.8500
ASR	0.8333	0.8833	0.8500	0.9000	0.8667	0.9167