Modified wavelet-based technique for baseline drift removal and diagnostic scope of spectral energy of radial pulse signal
by Ganesh Nawsupe, Rajani R. Joshi
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 6, No. 1, 2011

Abstract: We present a modification to the wavelet-based cascaded adaptive method of Xu et al. (2007) for removal of baseline wandering in pulse signals. We have applied it on IPG-recorded radial arterial pulse signals, using an extension of Pan–Tompkins' algorithm (1985) for automatic detection of onset points and peaks of successive periods. The results show better performance of our method on a large sample of radial arterial pulse waveforms of adult Indians. Spectral analysis of this data shows significant scope of a power energy ratio in early diagnosis of some cardiac problems.

Online publication date: Wed, 21-Jan-2015

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