title: Fetal ECG extraction from abdominal signals: a review on suppression of fundamental power line interference component and its harmonics.
abstract: Interference of power line (PLI) (fundamental frequency and its harmonics) is usually present in biopotential measurements. Despite all countermeasures, the PLI still corrupts physiological signals, for example, electromyograms (EMG), electroencephalograms (EEG), and electrocardiograms (ECG). When analyzing the fetal ECG (fECG) recorded on the maternal abdomen, the PLI represents a particular strong noise component, being sometimes 10 times greater than the fECG signal, and thus impairing the extraction of any useful information regarding the fetal health state. Many signal processing methods for cancelling the PLI from biopotentials are available in the literature. In this review study, six different principles are analyzed and discussed, and their performance is evaluated on simulated data (three different scenarios), based on five quantitative performance indices.
authors.affiliation: Applied Electronics and Information Engineering Department, Politehnica University of Bucharest, 061071 Bucharest, Romania.
authors.forename: Dragoş-Daniel
authors.initials: DD
authors.lastname: Ţarălungă
authors.affiliation: Applied Electronics and Information Engineering Department, Politehnica University of Bucharest, 061071 Bucharest, Romania.
authors.forename: Georgeta-Mihaela
authors.initials: GM
authors.lastname: Ungureanu
authors.affiliation: University of Medicine and Pharmacy Carol Davila, 050474 Bucharest, Romania.
authors.forename: Ilinca
authors.initials: I
authors.lastname: Gussi
authors.affiliation: Applied Electronics and Information Engineering Department, Politehnica University of Bucharest, 061071 Bucharest, Romania.
authors.forename: Rodica
authors.initials: R
authors.lastname: Strungaru
authors.affiliation: Institut für Infomationstechnik, Universität der Bundeswehr München, 85577 Neubiberg, Germany.
authors.forename: Werner
authors.initials: W
authors.lastname: Wolf
mesh_terms: D000465:Algorithms; D016477:Artifacts; D019295:Computational Biology / Q000379:methods*; D003198:Computer Simulation; D004562:Electrocardiography / Q000379:methods*; D004569:Electroencephalography / Q000379:methods; D005260:Female; D005323:Fetal Monitoring / Q000379:methods*; D006801:Humans; D016571:Neural Networks, Computer; D011247:Pregnancy; D012815:Signal Processing, Computer-Assisted; D058067:Wavelet Analysis