Fetal Heart Rate Preprocessing Techniques: A Sco** Review

I Campos, H Gonçalves, J Bernardes, L Castro - Bioengineering, 2024‏ - mdpi.com
Monitoring fetal heart rate (FHR) through cardiotocography is crucial for the early diagnosis
of fetal distress situations, necessitating prompt obstetrical intervention. However, FHR …

[HTML][HTML] A wireless high-sensitivity fetal heart sound monitoring system

J Wei, Z Wang, X **ng - Sensors, 2020‏ - mdpi.com
In certain cases, the condition of the fetus can be revealed by the fetal heart sound.
However, when the sound is detected, it is mixed with noise from the external environment …

Wavelet filtering of fetal phonocardiography: A comparative analysis

S Tomassini, A Strazza, A Sbrollini… - Mathematical …, 2019‏ - iris.unitn.it
Fetal heart rate (FHR) monitoring can serve as a benchmark to identify high-risk fetuses.
Fetal phonocardiogram (FPCG) is the recording of the fetal heart sounds (FHS) by means of …

Passive fetal monitoring by advanced signal processing methods in fetal phonocardiography

R Martinek, K Barnova, R Jaros, R Kahankova… - IEEE …, 2020‏ - ieeexplore.ieee.org
Fetal phonocardiography (fPCG) is a non-invasive technique for detection of fetal heart
sounds (fHSs), murmurs and vibrations. This acoustic recording is passive and provides an …

AdvFPCG-Delineator: Advanced delineator for fetal phonocardiography

S Tomassini, A Sbrollini, A Strazza, R Sameni… - … Signal Processing and …, 2020‏ - Elsevier
Fetal phonocardiogram (FPCG) consists in the recording of fetal heart sounds by means of a
sensor placed on the mother's abdominal surface. Usually, FPCG includes two major …

Fetal phonocardiogram signals denoising using improved complete ensemble (EMD) with adaptive noise and optimal thresholding of wavelet coefficients

F Cheikh, NE Benhassine, S Sbaa - Biomedical Engineering …, 2022‏ - degruyter.com
Although fetal phonocardiogram (fPCG) signals have become a good indicator for
discovered heart disease, they may be contaminated by various noises that reduce the …

A comparative study of single-channel signal processing methods in fetal phonocardiography

K Barnova, R Kahankova, R Jaros, M Litschmannova… - Plos one, 2022‏ - journals.plos.org
Fetal phonocardiography is a non-invasive, completely passive and low-cost method based
on sensing acoustic signals from the maternal abdomen. However, different types of …

PCG-Delineator: an efficient algorithm for automatic heart sounds detection in fetal phonocardiography

A Strazza, A Sbrollini, V Di Battista… - 2018 Computing in …, 2018‏ - ieeexplore.ieee.org
Fetal phonocardiography (FPCG) is a non-invasive electronic recording of the acoustic
cardiac signals. Unfortunately, FPCG is hidden by high-amplitude noise which makes …

Noise reduction in abdominal acoustic recordings of maternal placental murmurs

DH Eiríksdóttir, GG Hvass… - Biomedical Physics …, 2025‏ - iopscience.iop.org
Fetal phonocardiography is a well-known auscultation technique for evaluation of fetal
health. However, murmurs that are synchronous with the maternal heartbeat can often be …

A phonography-based method improved by hidden Markov model for fetal breathing movement detection

MÁ Goda, T Telek - IEEE Access, 2021‏ - ieeexplore.ieee.org
This paper proposes a novel phonography-based method for Fetal Breathing Movement
(FBM) detection by its excitation sounds. It requires significantly less effort than the current …