An Efficient Time-Varying Filter for Detrending and Bandwidth Limiting the Heart Rate Variability Tachogram without Resampling: MATLAB Open-Source Code and Internet Web-Based Implementation. - Antonio Eleuteri; Anthony C. Fisher; David Groves; Christpher J. Dewhurst (Comput. Math. Methods Medicine, 2012)

The Ornstein-Uhlenbeck third-order Gaussian process (OUGP) applied directly to the un-resampled heart rate variability (HRV) tachogram for detrending and low-pass filtering. - Anthony C. Fisher; Antonio Eleuteri; David Groves; Christpher J. Dewhurst (Medical Biol. Eng. Comput., 2012)