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Comparison of the denoised results for the ESMD-NLM, NLM, EEMD, VMD and MED methods operating on the 13420_12m.dat in the third group of clinical ECG signals. (a) The clinical ECG signal, (b) the ESMD-NLM method, (c) the NLM method, (d) the EEMD method, (e) the VMD method, (f) the MED filter.
