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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2009 Sep 15;57(2):353–362. doi: 10.1109/TBME.2009.2031243

Fig. 1.

Fig. 1

EKF estimations and polargram formation for a typical normal ECG signal. (a) ECG noisy record and the corresponding phase signal, (b) CW estimation provided by EKF4, (c) The estimated phase and filtered ECG signals using EKF4, (d) Polargram with the CW partitioning included.