An Efficient Porcine Acoustic Signal Denoising Technique Based on EEMD-ICA-WTD

Table 4

Denoising results of porcine scream.

SNRin	Parameter	Denoising methods
		EMD-TD	EMD-WTD	EEMD-TD	EEMD-WTD	WSTD	MBSS	EEMD-ICA-WTD
−10	RMSE	0.4794	0.3594	0.3952	0.3682	0.4319	0.7362	0.3389
	SNRout/dB	−3.9501	−1.4474	−2.2729	−1.6579	−3.0440	−8.6582	−1.0408
	R	0.0633	0.3585	0.1723	0.3303	0.1762	0.0324	0.3701
−5	RMSE	0.4379	0.3597	0.3774	0.3643	0.4101	0.5214	0.3339
	SNRout/dB	−3.1633	−1.2094	−1.8728	−1.5668	−2.5937	−3.9452	−0.8091
	R	0.1449	0.5380	0.2498	0.5343	0.3897	0.1167	0.5544
0	RMSE	0.4497	0.2533	0.3389	0.2601	0.2867	0.3241	0.2496
	SNRout/dB	−3.3946	1.5894	−0.9377	1.3619	0.5148	−0.8852	1.4573
	R	0.1972	0.7590	0.4029	0.7779	0.7683	0.7091	0.7810
5	RMSE	0.4460	0.1474	0.3483	0.1491	0.1506	0.1543	0.1432
	SNRout/dB	−3.3242	6.2958	−1.1767	6.1937	6.1054	6.2438	6.4831
	R	0.2381	0.9047	0.3955	0.9064	0.9029	0.8823	0.9145
10	RMSE	0.4315	0.0971	0.3321	0.0944	0.0935	0.0951	0.0913
	SNRout/dB	−3.0361	9.9147	−0.7613	10.1594	10.2463	10.0864	10.3106
	R	0.2038	0.9480	0.4088	0.9518	0.9531	0.9487	0.9569