Fetal ECG Extraction from Abdominal Signals: A Review on Suppression of Fundamental Power Line Interference Component and Its Harmonics

Table 3

The NR (%) obtained for each algorithm and for each data set.

Data set	SNR (dB)	Algorithm
		TVMNF	HHT	DSWPT	WNN	IAC	FastICA
1	−2	0.03426	0.038749	0.023308	6.295244	1.628744	0,010982
	0	0.03426	1.022943	0.000225	4.176215	1.705774
	2	0.03426	0.333364	𝟔.𝟓𝟒E  −𝟎𝟔	10.28646	1.711423
	4	0.03426	0.033125	𝟖.𝟗𝟑E  −𝟎𝟔	3.873963	1.711467
	5	0.03426	0.435546	𝟖.𝟗𝟔E  −𝟎𝟔	2.62773	1.711466
2	−2	0.098402	0.038435	0.040232	4.781289	1.577947	0,000112
	0	0.098402	1.006355	0.000395	3.559141	1.699513
	2	0.098402	0.338354	𝟒.𝟖𝟏E  −𝟎𝟔	10.28173	1.71136
	4	0.098402	0.032068	𝟖.𝟗𝟏E  −𝟎𝟔	3.874016	1.711466
	5	0.098402	0.529579	𝟖.𝟗𝟓E  −𝟎𝟔	2.628339	1.711466
3	−2		38.94626		3.701535	95.16797	0,024024
	0		0.926928		0.853499	42.01306
	2		0.320873		1.394364	38.06225
	4		0.032029		7.147367	37.07462
	5		0.228292		5.364868	37.0534