Abstract
AbstractIn magnetocardiogram (MCG) measurements, magnetic noise from the wire used to suture the sternum after heart surgery becomes a problem. Independent component analysis is an effective method of noise rejection.In this study, MCG measurements were made on a normal subject with the wire attached and without the wire. We performed signal processing by independent component analysis in order to reduce the effect of magnetic noise from the wire. Comparison of the waveforms after this signal processing with waveforms without the wire clearly showed that magnetic noise caused by the wire was reduced.This result clearly shows that independent component analysis is effective for the removal of magnetic noise from the wire. ©2007 Wiley Periodicals, Inc. Electr Eng Jpn, 162(1): 7–14, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20589
Published Version
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