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Figure 5 | EURASIP Journal on Advances in Signal Processing

Figure 5

From: Automatic detection of mode mixing in empirical mode decomposition using non-stationarity detection: application to selecting IMFs of interest and denoising

Figure 5

Results on the mechanical signal from the ball bearing plus noise. Above: The evolution of the percentage of mean square error (NPMSE) (±σ) as obtained by using the classic method (1), by only correcting the estimate of noise in the first IMF (2) and by correcting the estimate of noise in the first IMF and plus modification of the second IMF (3). Below: Comparison of the NPMSE obtained using the wavelets Daubechie (Daub.), Haar and Meyer.

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