An Efficient ECG Denoising Method Based on Empirical Mode Decomposition, Sample Entropy, and Improved Threshold Function

Table 4

comparison of different methods when the input SNR is 10 dB.

Dataset	Proposed	NLM	CEEMDAN	Dataset	Proposed	NLM	CEEMDAN
100	7.75	6.84	6.04	201	8.65	6.61	6.36
101	7.84	6.56	6.02	202	9.32	7.70	7.59
102	7.93	5.94	5.31	203	5.62	4.53	3.44
103	7.58	7.59	5.67	205	7.86	6.23	5.08
104	8.16	6.55	5.77	207	9.73	8.22	6.72
105	8.78	7.07	3.82	208	8.41	6.32	5.05
106	7.04	5.86	4.99	209	7.01	6.08	4.45
107	7.98	7.45	6.92	210	8.56	7.17	4.96
108	9.46	6.29	4.35	212	7.63	5.93	4.61
109	9.50	7.56	7.55	213	7.71	7.13	4.87
111	9.15	6.20	5.47	214	8.42	7.46	4.70
112	8.91	6.68	5.68	215	7.52	6.11	5.44
113	6.83	7.35	5.22	217	7.72	6.11	5.64
114	9.97	5.37	4.88	219	7.61	7.72	4.37
115	7.63	7.50	6.67	220	6.78	6.65	6.97
116	6.57	6.82	3.65	221	8.18	6.67	5.16
117	8.77	6.50	7.97	222	8.34	5.90	5.20
118	7.41	6.07	5.77	223	8.33	7.54	7.16
119	7.59	7.50	6.27	228	8.75	6.75	6.03
121	9.11	7.59	4.63	230	7.21	6.37	5.84
122	8.11	7.04	7.10	231	7.62	7.22	6.15
123	7.68	7.03	6.09	232	8.70	3.74	3.66
124	8.52	7.37	6.85	233	8.40	6.50	6.30
200	8.26	6.63	5.84	234	7.53	7.01	6.289