Fig. 11
From: A novel signal-adaptive multi-feature extraction algorithm for arrhythmia detection

Smoothened signal by FIR filter: Figure represents low-pass filtered signal with the Kaiser window having normalized cutoff frequency 0.277
From: A novel signal-adaptive multi-feature extraction algorithm for arrhythmia detection
Smoothened signal by FIR filter: Figure represents low-pass filtered signal with the Kaiser window having normalized cutoff frequency 0.277