Table 3.

Performance comparison among ECG signal feature extraction methods.

Algorithm	Database		Performance
	Nrec	N	Ar (%)
PCA [9]	18	17,129	97.48
	41	19,865	96.28
NNs [21–23]	45	21,432	95.28
	46	21,564	97.15
	6	2,648	97
KNN Classifier [24]	21	16,735	94.36
	42	21,433	93.12
Gaussian Process [25]	20	8,530	97.05
	25	11,144	96.84
Proposed Algorithm	14	19,568	99.15