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. 2020 Aug 26;8:508. doi: 10.3389/fped.2020.00508

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Copyright © 2020 Fotiadou and Vullings.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Comparison of the scalp ECG with an estimation of it as a linear combination of the abdominal fetal ECG for 2 records (r10 and r08) of the Abdominal and Direct Fetal ECG Database. In the first row (red) the scalp ECG estimated from the noisy fetal ECG is presented, in the second (blue) the ECG as measured by the scalp electrode (running average of 30 complexes) and in the last one (green) the scalp ECG estimated from the denoised fetal ECG by the proposed network. The horizontal axis depicts the samples at 500 Hz, while the vertical the amplitude of the signals in μV.