Mathematical Problems in Engineering / 2019 / Article / Tab 4

Research Article

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

Table 4

Denoising results of porcine scream.

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

−10RMSE0.47940.35940.39520.36820.43190.73620.3389
SNRout/dB−3.9501−1.4474−2.2729−1.6579−3.0440−8.6582−1.0408
R0.06330.35850.17230.33030.17620.03240.3701

−5RMSE0.43790.35970.37740.36430.41010.52140.3339
SNRout/dB−3.1633−1.2094−1.8728−1.5668−2.5937−3.9452−0.8091
R0.14490.53800.24980.53430.38970.11670.5544

0RMSE0.44970.25330.33890.26010.28670.32410.2496
SNRout/dB−3.39461.5894−0.93771.36190.5148−0.88521.4573
R0.19720.75900.40290.77790.76830.70910.7810

5RMSE0.44600.14740.34830.14910.15060.15430.1432
SNRout/dB−3.32426.2958−1.17676.19376.10546.24386.4831
R0.23810.90470.39550.90640.90290.88230.9145

10RMSE0.43150.09710.33210.09440.09350.09510.0913
SNRout/dB−3.03619.9147−0.761310.159410.246310.086410.3106
R0.20380.94800.40880.95180.95310.94870.9569

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