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

Table 5

Cross-correlation coefficient, 𝑝, obtained for each algorithm and for each data set.

Data set	SNR (dB)	Algorithm
		TVMNF	HHT	DSWPT	WNN	IAC	FastICA
1	−2	0.997565	0.999947	0.999343	0.000708	0.607869	0,999997
	0	0.997565	0.994679	0.999996	0.002489	0.992365
	2	0.997565	0.99794	1	0.348027	0.987873
	4	0.997565	0.996368	1	0.976249	0.999875
	5	0.997565	0.990019	1	0.987159	0.999987
2	−2	0.997018	0.999947	0.998855	0.000667	0.464252	1
	0	0.997018	0.992789	0.999991	0.002342	0.984898
	2	0.997018	0.997911	1	0.347902	0.999995
	4	0.997018	0.996415	1	0.976263	0.999999
	5	0.997018	0.989539	1	0.987179	1
3	−2		0.313497		−0.00072	0.00938	0,999191
	0		0.992068		−0.00131	0.073122
	2		0.997936		0.005998	0.187229
	4		0.996377		0.004007	0.205138
	5		0.997482		0.010274	0.237579