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Related papers: Clifford wavelets for fetal ECG extraction

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Electrocardiography (ECG) is a low-cost, widely used modality for diagnosing electrical abnormalities like atrial fibrillation by capturing the heart's electrical activity. However, it cannot directly measure cardiac morphological…

Machine Learning · Computer Science 2026-03-10 Michelle Espranita Liman , Özgün Turgut , Alexander Müller , Eimo Martens , Daniel Rueckert , Philip Müller

Blind source separation (BSS) techniques have revealed to be promising approaches for, among other, biomedical signal processing applications. Specifically, for the noninvasive extraction of fetal cardiac signals from maternal abdominal…

Continuous monitoring of fetal and maternal vital signs, particularly during labor, can be critical for the child and mother's health. We present a novel wearable electronic system that measures, in real-time, maternal heart rate using…

Medical Physics · Physics 2023-07-03 Anushka Tiwari

This paper describe the features extraction algorithm for electrocardiogram (ECG) signal using Huang Hilbert Transform and Wavelet Transform. ECG signal for an individual human being is different due to unique heart structure. The purpose…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Neha Soorma , Jaikaran Singh , Mukesh Tiwari

Fetal cardiac health monitoring with invasive methods have a limited viability because they can only be utilized during labor and are uncomfortable. On the other hand non-invasive fECG are adulterated with maternal ECG, and hence resulting…

Signal Processing · Electrical Eng. & Systems 2025-01-29 Aman Verma , Deva Satya Sriram Chintapenta , Saikat Mujumder

The overarching goal of the present work is to contribute to the understanding of the relations between fetal heart rate (FHR) temporal dynamics and the well-being of the fetus, notably in terms of predicting cardiovascular decompensation…

Medical Physics · Physics 2021-10-19 Stéphane G. Roux , Nicolas B. Garnier , Patrice Abry , Nathan Gold , Martin G. Frasch

Background: Studies about the feasibility of monitoring fetal electroencephalogram (fEEG) during labor began in the early 1940s. By the 1970s, clear diagnostic and prognostic benefits from intrapartum fEEG monitoring were reported, but…

Other Quantitative Biology · Quantitative Biology 2020-08-11 Aude Castel , Yael Frank , John Feltner , Floyd Karp , Catherine Albright , Martin G. Frasch

Feature extraction plays an important role in Electrocardiogram (ECG) Beats classification system. Compared to other popular methods, VQ method performs well in feature extraction from ECG with advantages of dimensionality reduction. In VQ…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Nanyu Li , Yujuan Si , Di Wang , Tong Liu , Jinrun Yu

Objective: To develop and interpret a supervised variational autoencoder (VAE) model for classifying cardiotocography (CTG) signals based on pregnancy outcomes, addressing interpretability limits of current deep learning approaches.…

Machine Learning · Computer Science 2025-09-09 John Tolladay , Beth Albert , Gabriel Davis Jones

Ultrasound fetal imaging is beneficial to support prenatal development because it is affordable and non-intrusive. Nevertheless, fetal plane classification (FPC) remains challenging and time-consuming for obstetricians since it depends on…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Arrun Sivasubramanian , Divya Sasidharan , Sowmya V , Vinayakumar Ravi

Motivation. Phonocardiography can give access to the fetal heart rate as well as direct heart sound data, and is entirely passive, using no radiation of any kind. Approach. We discuss the currently available methods for fetal heart sound…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-16 Kristóf Müller , Janka Hatvani , Márton Áron Goda , Miklós Koller

Electrocardiogram (ECG) is an authoritative source to diagnose and counter critical cardiovascular syndromes such as arrhythmia and myocardial infarction (MI). Current machine learning techniques either depend on manually extracted features…

Machine Learning · Computer Science 2021-07-22 Zeeshan Ahmad , Anika Tabassum , Ling Guan , Naimul Khan

Electroencephalogram, an influential equipment for analyzing humans activities and recognition of seizure attacks can play a crucial role in designing accurate systems which can distinguish ictal seizures from regular brain alertness, since…

Signal Processing · Electrical Eng. & Systems 2018-06-26 Amirmasoud Ahmadi , Mahsa Behroozi , Vahid Shalchyan , Mohammad Reza Daliri

Fetal brain extraction is a necessary first step in most computational fetal brain MRI pipelines. However, it has been a very challenging task due to non-standard fetal head pose, fetal movements during examination, and vastly heterogeneous…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Razieh Faghihpirayesh , Davood Karimi , Deniz Erdoğmuş , Ali Gholipour

Fetal heart rate (FHR) monitoring, before and during labor, is a very important medical practice in the detection of fetuses in danger. We clustered FHR tracings by compression in order to identify abnormal ones. We use a recently…

Tissues and Organs · Quantitative Biology 2007-05-23 C. Costa Santos , J. Bernardes , P. Vitanyi , L. Antunes

Objective: A novel structure based on channel-wise attention mechanism is presented in this paper. Embedding with the proposed structure, an efficient classification model that accepts multi-lead electrocardiogram (ECG) as input is…

Signal Processing · Electrical Eng. & Systems 2020-03-27 Hao Tung , Chao Zheng , Xinsheng Mao , Dahong Qian

Recent results in telecardiology show that compressed sensing (CS) is a promising tool to lower energy consumption in wireless body area networks for electrocardiogram (ECG) monitoring. However, the performance of current CS-based…

Computational Engineering, Finance, and Science · Computer Science 2016-11-18 Luisa F. Polania , Rafael E. Carrillo , Manuel Blanco-Velasco , Kenneth E. Barner

In this paper, a new efficient feature extraction method based on the adaptive threshold of wavelet package coefficients is presented. This paper especially deals with the assessment of autonomic nervous system using the background…

Computer Vision and Pattern Recognition · Computer Science 2009-12-14 G. Kheder , A. Kachouri , M. Ben Massoued , M. Samet

"Objective: The electrocardiogram (ECG) is currently the most widely used recording to diagnose cardiac disorders, including the most common supraventricular arrhythmia, such as atrial fibrillation (AF). However, different types of…

Signal Processing · Electrical Eng. & Systems 2024-01-25 Manuel Garcia , Miguel Martinez-Iniesta , Juan Rodenas , Jose J Rieta , Raul Alcaraz

The electrocardiogram (ECG) is routinely used in hospitals to analyze cardiovascular status and health of an individual. Abnormal heart rhythms can be a precursor to more serious conditions including sudden cardiac death. Classifying…

Signal Processing · Electrical Eng. & Systems 2022-07-15 Neville D. Gai