Preprocessing Unevenly Sampled RR Interval Signals to Enhance Estimation of Heart Rate Deceleration and Acceleration Capacities in Discriminating Chronic Heart Failure Patients from Healthy Controls

<div>Squared central wavelet coefficients of PRSA curves at different scales for conventional DC and AC calculation. The shaded area represents the variation range of each curve. (a) Wavelet analysis using the third-order Gaussian wavelet. (b) Wavelet analysis using the Haar wavelet.</div>

Computational and Mathematical Methods in Medicine

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Figure 2

Figure 2: Preprocessing Unevenly Sampled RR Interval Signals to Enhance Estimation of Heart Rate Deceleration and Acceleration Capacities in Discriminating Chronic Heart Failure Patients from Healthy Controls 

Figure 2 | Preprocessing Unevenly Sampled RR Interval Signals to Enhance Estimation of Heart Rate Deceleration and Acceleration Capacities in Discriminating Chronic Heart Failure Patients from Healthy Controls 