A BAYESIAN PCA APPROACH FOR FETAL ECG EXTRACTION

Abstract: This paper addresses the problem of fetal electrocardiogram (FECG) extraction. A novel algo-rithm is proposed, which takes advantage of the non-stationarity nature of ECG signal. The FECG prob-lem is formulated in a state- space form. This leads to an iterative algorithm. The algorithm was tested in a real life example. Visual test results are obtained and show that the proposed algorithm is capable of reliably extracting the FECG beats