An algorithm that uses adaptive thresholds for rejecting those beats different from the given threshold more than a certain value. The rule for beat acceptation or rejection is to compare with previous, following and with the updated mean. We apply also a comparison with acceptable physiological values (default values 25 and 200 bpm).
FilterNIHR(HRVData, long=50, last=13, minbpm=25, maxbpm=200, mini=NULL,
maxi=NULL, fixed=NULL, verbose=NULL)Returns HRVData, the structure that contains beat positions register, associated heart rate instantaneous values also, and now filtered heart rate signal
Data structure that stores the beats register and information related to it
Number of beats to calculate the updated mean
Initial threshold
Minimum physiologically acceptable value for HR
Maximum physiologically acceptable value for HR
Deprecated argument maintained for compatibility
Deprecated argument maintained for compatibility
Deprecated argument maintained for compatibility
Deprecated argument maintained for compatibility, use SetVerbose() instead
M. Lado, A. Mendez, D. Olivieri, L. Rodriguez, X. Vila
X. Vila, F. Palacios, J. Presedo, M. Fernandez-Delgado, P. Felix, S. Barro, "Time-Frequency analysis of heart-rate variability," IEEE Eng. Med. Biol. Magazine 16, 119-125 (1997) L. Rodriguez-Linares, A. Mendez, M. Lado, D. Olivieri, X. Vila, I. Gomez-Conde, "An open source tool for heart rate variability spectral analysis", Computer Methods and Programs in Biomedicine 103, 39-50, doi:10.1016/j.cmpb.2010.05.012 (2011)