Multichannel Adaptive Enhancement of the Electrogastrogram

Jiande Chen, Joos Vandewalle, Willy Sansen, Gaston Vantrappen, Jozef Janssens

Research output: Contribution to journalArticlepeer-review

Abstract

The electrogastric signal can be measured cutaneously on the abdomen. This is attractive because it is harmless to patients or volunteers. However, the poor quality of the cutaneous measurements necessitates signal enhancements. Hence, in this paper, an adaptive multichannel signal enhancing system is proposed. The p-vector least mean square (LMS) algorithm is applied to adjust the weights of the adaptive filters in the system. The detailed description and the performance analysis of the system is qiven in the paper. Applying the proposed system, the respiratory artifact, the electrode-skin noise, some of motion artifacts, and the electrocardiography (ECG) can be efficiently reduced while the characteristics of the relevant gastric signal is less affected.

Original languageEnglish (US)
Pages (from-to)285-294
Number of pages10
JournalIEEE Transactions on Biomedical Engineering
Volume37
Issue number3
DOIs
StatePublished - Mar 1990
Externally publishedYes

ASJC Scopus subject areas

  • Biomedical Engineering

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