Figure 2

An example of (a) an original ECG signal; (b) phase signal φ(n); (c) detail of the top part of the phase signal (illustrated by red box in (b)), the green line represents the threshold for QRS detection.

An example of (a) an original ECG signal; (b) phase signal φ(n); (c) detail of the top part of the phase signal (illustrated by red box in (b)), the green line represents the threshold for QRS detection.