Fetal cardiac potential signal extraction program, fetal cardiac potential signal discriminating apparatus, and pregnancy monitoring system using the same
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United States of America Patent
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Nov 25, 2014
Grant Date -
Nov 21, 2013
app pub date -
Jul 25, 2013
filing date -
Jan 25, 2011
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Abstract
A non-transitory computer-readable recording medium storing a computer program, the computer program comprising: a selecting module configured to select, from among a plurality of biopotential signals, a biopotential signal containing a high proportion of a maternal cardiac potential signal component; an independent component analysis module configured to perform independent component analysis on the plurality of biopotential signals; a periodic signal detection module configured to detect, as a first peak time signal, a signal having periodic peaks from a biopotential signal and to detect, as second peak time signals, one or more signals having periodic peaks among signals output from the independent component analysis module; and an output signal selecting module configured to select from among the one or more second peak time signals a signal having peak times different from those of the first peak time signal.
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