Mathematical Problems in Engineering / 2019 / Article / Tab 5

Research Article

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

Table 5

Denoising results of porcine cough.

SNRinParameterDenoising methods
EMD-TDEMD-WTDEEMD-TDEEMD-WTDWSTDMBSSEEMD-ICA-WTD

−10RMSE0.42160.31000.32450.31630.34170.47750.3025
SNRout/dB−2.47450.1955−0.19950.0217−0.6479−2.92450.2213
R0.23370.47320.48320.49510.43890.21830.4978

−5RMSE0.34470.26290.26660.27730.29460.33410.2442
SNRout/dB−0.72541.62901.50761.16450.6390−0.47621.9498
R0.39030.64060.66560.67360.60750.40970.6752

0RMSE0.41680.20480.24640.20420.24230.26580.1880
SNRout/dB−2.37553.79670.19143.82362.33602.19354.0920
R0.27670.79360.73590.83100.82570.70160.8353

5RMSE0.39410.12980.27620.13430.13620.14070.1224
SNRout/dB−1.88877.76091.19937.46017.33797.28377.9737
R0.27120.92370.74030.93320.92930.88190.9360

10RMSE0.27770.07210.09520.06920.08420.07430.0646
SNRout/dB2.171113.879811.473914.241712.541713.796114.6788
R0.68970.98050.96890.98540.98280.98290.9859

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