NDLI: A novel approach to the extraction of fetal electrocardiogram based on empirical mode decomposition and correlation analysis

Content Provider	Springer Nature Link
Author	Ghobadi Azbari, Peyman Abdolghaffar, Mostafa Mohaqeqi, Saeed Pooyan, Mohammad Ahmadian, Alireza Ghanbarzadeh Gashti, Niloofar
Copyright Year	2017
Abstract	Fetal heart rate monitoring is the process of checking the condition of the fetus during pregnancy and it would allow doctors and nurses to detect early signs of trouble during labor and delivery. The fetal ECG (FECG) signal is so weak and also is corrupted by other signals and noises, mainly by maternal ECG signal. It is so hard to acquire a noise-free, precise and reliable FECG using the conventional methods. In this study, a combination of empirical mode decomposition (EMD) algorithms, correlation and match filtering is used for extracting FECG from maternal abdominal ECG signals. The proposed method benefits from match filtering ability to detect fetal signal and QRS complex to detect weak QRS peaks. The combined method, has been applied successfully on different signal qualities, even for signals that their analysis was hard and complicated for other methods. This method is able to detect R-R intervals with high accuracy. It was proved that the complete ensemble empirical mode decomposition method provides a better frequency resolution of modes and also requires less iterations that leads to a considerably less computational cost than EMD and ensemble empirical mode decomposition and can reconstruct the FECG completely from the calculated modes. We believe that this method opens a new field in non-invasive maternal abdominal signal processing so the FECG signal could be extracted with high speed and accuracy.
Starting Page	565
Ending Page	574
Page Count	10
File Format	PDF
ISSN	01589938
Journal	Australasian Physics & Engineering Sciences in Medicine
Volume Number	40
Issue Number	3
e-ISSN	18795447
Language	English
Publisher	Springer Netherlands
Publisher Date	2017-05-29
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Empirical mode decomposition Correlation analysis Normalized matched filtering FECG Biomedicine Biological and Medical Physics, Biophysics Medical and Radiation Physics Biomedical Engineering
Content Type	Text
Resource Type	Article
Subject	Radiology, Nuclear Medicine and Imaging Physics and Astronomy Biophysics Biomedical Engineering

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