Performance Analysis of Multiscale Entropy for the Assessment of ECG Signal Quality

Figure 1

The clean artificial ECG and the clean ECG added noises with different SNRs from −20 dB to 40 dB, with a step of 10 dB. (a) The clean ECG and the clean plus HF noise. (b) The clean and the clean plus LF noise. (c) The clean and the clean plus PL noise.

(a)

(b)

(c)