Morphology extraction of fetal electrocardiogram by slow-fast LSTM network

نویسندگان

چکیده

Fetal electrocardiogram (FECG) morphology plays an essential role in the early diagnosis of fetal health conditions. However, it is intractable to extract clean FECG signals, which are usually contaminated by maternal ECG (MECG) and various noises. To signals from non-invasive abdominal records, a high-performance high-efficient two-stage slow-fast long short-term memory (SFLSTM) based architecture proposed. The MECG elimination enhancement realized elaborately designed slow LSTM fast filter out residual noise components. Qualitative quantitative experiments conducted on records two public datasets. experimental results reveal that our scheme achieves best performance kSQI, signal-to-noise ratio (SNR), root mean square error (RMSE). improve SNR 3.09 1.81 dB, respectively. proposed reduces computation cost approximately 50%, without any degradation performance. Our method may leverage monitoring for detection heart diseases.

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ژورنال

عنوان ژورنال: Biomedical Signal Processing and Control

سال: 2021

ISSN: ['1746-8094', '1746-8108']

DOI: https://doi.org/10.1016/j.bspc.2021.102664