2002
DOI: 10.1109/tbme.2002.1010851
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Stimulus artifact cancellation in the serosal recordings of gastric myoelectric activity using wavelet transform

Abstract: Previous studies have shown that electrical stimulation of the stomach (i.e., gastric pacing) with appropriate parameters is a promising method for treatment of gastroparetic patients. The recording of gastric myoelectric activity (GMA) by serosal electrodes is often used to evaluate the effect of stimulation. However, the major problem with the measurement of GMA during gastric pacing is the stimulus artifacts which are often superimposed on the serosal recording and make analysis difficult. The frequency-dom… Show more

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Cited by 27 publications
(1 citation statement)
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“…Separately, refined signal processing techniques, such as wavelets, have been employed to analyse electrogastrograms (Xie and Sun 1998, Ryu et al 2000, Liang et al 1996, Liang and Lin 2002, Qiao et al 1996. This approach has been used to (i) propose new wavelets that can offer a better time-frequency localization of EGG signals (Xie andSun 1998, Ryu et al 2000); (ii) perform noise detection in EGG recordings (Liang et al 1996); (iii) reduce stimulus artefacts (Liang and Lin 2002); and (iv) characterize global gastric electrical dysrhythmias (Qiao et al 1996).…”
Section: Introductionmentioning
confidence: 99%
“…Separately, refined signal processing techniques, such as wavelets, have been employed to analyse electrogastrograms (Xie and Sun 1998, Ryu et al 2000, Liang et al 1996, Liang and Lin 2002, Qiao et al 1996. This approach has been used to (i) propose new wavelets that can offer a better time-frequency localization of EGG signals (Xie andSun 1998, Ryu et al 2000); (ii) perform noise detection in EGG recordings (Liang et al 1996); (iii) reduce stimulus artefacts (Liang and Lin 2002); and (iv) characterize global gastric electrical dysrhythmias (Qiao et al 1996).…”
Section: Introductionmentioning
confidence: 99%