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Extracting Fetal ECG Using Least Square Algorithm to Corresponding Points in Phase Space Constructed by Multi-Channel Signals

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7 Author(s)
Yi Shao ; Sch. of Electron. Sci. & Eng., Nanjing Univ., Nanjing, China ; Li Juan Shi ; Qingbo Zhan ; Wei Zheng
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This paper proposes a new method to extract fetal ECG from multi-channel signals. The fetal ECG is extracted in phase space, which is constructed by a pregnant woman's multiple thoracic and abdominal ECG signals. Based on corresponding points in phase space, we adopt least square algorithm to estimate the maternal components of the abdominal signals and extract the fetal signals by subtracting the estimated maternal signals from the abdominal signals. Compared with traditional separation method based on information fusion of multi-channel signals, such as Independent Component Analysis (ICA), this method could be realized more easily and effectively.

Published in:

Complexity and Data Mining (IWCDM), 2011 First International Workshop on

Date of Conference:

24-28 Sept. 2011