대한전기학회논문지:시스템및제어부문D (The Transactions of the Korean Institute of Electrical Engineers D)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

단일채널 복부 심전도를 통한 태아 심전도 분리

A Study on the Separation of Fetal ECG from a Single Channel Abdominal ECG

  • 박광리 (용인송담대 의료정보시스템과) ;
  • 이경중 (연세대 보건과학대 의공학과) ;
  • 이전 (연세대 보건과학대 의공학과)
  • 발행 : 2005.03.01
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⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, we proposed a new algorithm for the separation of fetal ECG from single channel abdominal ECG. The algorithm consists of a stage of demixing vector calculation for initial signal and a stage of fetal beat detection for the rest of signal. The demixing vector was obtained by applying independent component analysis technique to projected signals into time-frequency domain. For the test of this algorithm, simulation signals, De Lathauwer's data and some measured data, which was acquired from 8 healthy volunteers whose pregnant periods ranged from 22 weeks to 35 weeks and whose ages from 27 to 37, were used. For each data, the accuracy of fetal beat detection was $100\%$ and with the location of fetal beats, fetal heart rate variability and morphology could be offered. In conclusion, this proposed algorithm showed the possibility of fetal beat separation with a single channel abdominal ECG and it might be adopted to a fetal health monitoring system, by which a single channel abdominal ECG is acquired.

키워드

참고문헌

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