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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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The result of denoising a real fetal ECG signal from our private dataset (28) with different denoising algorithms. For simplicity, only one channel is displayed. The panels show: (A) the noisy extracted fetal ECG, (B) the denoised signal by the proposed method, (C) the denoised signal by the single-channel denoising network, (D) the result of 30-complex averaging and (E) the result after wavelet denoising. The horizontal axis depicts the samples at 500 Hz, while the vertical the amplitude of the signals in μV.