Figure 3
From: A smart approach to EMG envelope extraction and powerful denoising for human–machine interfaces
(a) Noiseless EMG signal with superimposed EMG-LE; EMG signal corrupted by (b) variable amplitude powerline interference, (c) baseline oscillations, (d) both, with corrupted EMG-LE and true EMG-LE; (e) EMG signal processed with FFC filter, recovered EMG-LE, true EMG-LE.
