Empirical Wavelet Transform Based ECG Signal Filtering Method

Table 3

Results of the comparison of different filtering techniques (EWT, Weiner, and Kalman).

Noises	Filters	SNRout			MSE			PRD
		103	105	121	103	105	121	103	105	121
Power-line interference	Proposed method	28.9456	30.4729	37.0877	0.00019	0.00014	0.0002	3.5704	2.9947	1.3984
	Weiner	6.9821	6.4314	9.2382	0.0741	0.1255	0.048	57.026	61.694	39.436
	Kalman	4.766	5.4244	6.4117	0.1510	0.1434	0.1242	80.89	69.733	60.531
MA	Weiner	6.9001	5.3253	8.9682	0.0683	0.1971	0.0492	56.615	74.624	40.452
	Kalman	5.3188	5.2970	7.4177	0.1292	0.1863	0.0929	74.109	74.152	52.178
	Proposed method	7.7482	8.1272	16.3303	0.0253	0.0241	0.0240	40.9818	39.2319	15.2576

The proposed method give the good results.