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Deformation modeling of cardiac muscle is an important issue in the field of cardiac analysis. For this reason, many approaches have been developed to best estimate the cardiac muscle deformation, and to obtain a practical model to use in…

计算工程、金融与科学 · 计算机科学 2014-12-09 Ahmadreza Baghaie , Hamid Abrishami Moghaddam

Continuous monitoring of cardiac health under free living condition is crucial to provide effective care for patients undergoing post operative recovery and individuals with high cardiac risk like the elderly. Capacitive Electrocardiogram…

The electroencephalography (EEG) source imaging problem is very sensitive to the electrical modelling of the skull of the patient under examination. Unfortunately, the currently available EEG devices and their embedded software do not take…

机器学习 · 计算机科学 2020-02-04 Alexandra Koulouri , Ville Rimpilainen

Cardiovascular disease remains a significant problem in modern society. Among non-invasive techniques, the electrocardiogram (ECG) is one of the most reliable methods for detecting abnormalities in cardiac activities. However, ECG…

信号处理 · 电气工程与系统科学 2023-03-22 Huy Pham , Konstantin Egorov , Alexey Kazakov , Semen Budennyy

Objectives: With the technological advancements in the field of tele-health monitoring, it is now possible to gather huge amounts of electro-physiological signals such as electrocardiogram (ECG). It is therefore necessary to develop…

机器学习 · 计算机科学 2020-05-19 Abdolrahman Peimankar , Sadasivan Puthusserypady

Electrocardiogram (ECG) signals, which capture the heart's electrical activity, are used to diagnose and monitor cardiac problems. The accurate classification of ECG signals, particularly for distinguishing among various types of…

Electrocardiograms (ECGs), a medical monitoring technology recording cardiac activity, are widely used for diagnosing cardiac arrhythmia. The diagnosis is based on the analysis of the deformation of the signal shapes due to irregular heart…

信号处理 · 电气工程与系统科学 2023-12-18 Parshuram N. Aarotale , Ajita Rattani

Electrocardiographic imaging non-invasively reconstructs activation maps of the heart from temporal body surface potential maps by post-processing solutions of an inverse problem. Typically, activation times are detected through the maximal…

偏微分方程分析 · 数学 2024-12-02 Emma Lagracie , Lisl Weynans , Yves Coudière

The locality of solution features in cardiac electrophysiology simulations calls for adaptive methods. Due to the overhead incurred by established mesh refinement and coarsening, however, such approaches failed in accelerating the…

数值分析 · 数学 2023-11-14 Fatemeh Chegini , Thomas Steinke , Martin Weiser

This paper presents a computational solution that enables continuous cardiac monitoring through cross-modality inference of electrocardiogram (ECG). While some smartwatches now allow users to obtain a 30-second ECG test by tapping a…

信号处理 · 电气工程与系统科学 2024-05-20 Yuenan Li , Xin Tian , Qiang Zhu , Min Wu

Cardiovascular diseases (CVDs) remain a leading cause of mortality worldwide, underscoring the importance of accurate and scalable diagnostic systems. Electrocardiogram (ECG) analysis is central to detecting cardiac abnormalities, yet…

机器学习 · 计算机科学 2025-09-12 Md. Sajeebul Islam Sk. , Md Jobayer , Md Mehedi Hasan Shawon , Md. Golam Raibul Alam

Owing to recent advances in thoracic electrical impedance tomography, a patient's hemodynamic function can be noninvasively and continuously estimated in real-time by surveilling a cardiac volume signal associated with stroke volume and…

信号处理 · 电气工程与系统科学 2023-01-05 Chang Min Hyun , Tae Jun Jang , Jeongchan Nam , Hyeuknam Kwon , Kiwan Jeon , Kyunghun Lee

Heart rate estimation from electrocardiogram signals is very important for the early detection of cardiovascular diseases. However, due to large individual differences and varying electrocardiogram signal quality, there does not exist a…

机器学习 · 计算机科学 2019-03-27 Dongrui Wu , Feifei Liu , Chengyu Liu

Objective. Arrhythmia classification from electrocardiograms (ECGs) suffers from high false positive rates and limited cross-dataset generalization, particularly for atrial fibrillation (AF) detection where specificity ranges from 0.72 to…

机器学习 · 计算机科学 2026-02-16 Tiezhi Wang , Wilhelm Haverkamp , Nils Strodthoff

Objective: We aim to provide an algorithm for the detection of myocardial infarction that operates directly on ECG data without any preprocessing and to investigate its decision criteria. Approach: We train an ensemble of fully…

计算机与社会 · 计算机科学 2019-02-06 Nils Strodthoff , Claas Strodthoff

Accurate identification of End-Diastolic (ED) and End-Systolic (ES) frames is key for cardiac function assessment through echocardiography. However, traditional methods face several limitations: they require extensive amounts of data,…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Zhenyu Bu , Yang Liu , Jiayu Huo , Jingjing Peng , Kaini Wang , Guangquan Zhou , Rachel Sparks , Prokar Dasgupta , Alejandro Granados , Sebastien Ourselin

MEG/EEG are non-invasive imaging techniques that record brain activity with high temporal resolution. However, estimation of brain source currents from surface recordings requires solving an ill-posed inverse problem. Converging lines of…

Abnormal patterns of ventricular repolarisation contribute to lethal arrhythmias in various cardiac conditions, including inherited and acquired channelopathies, cardiomyopathies, and ischaemic heart disease. However, methods to detect…

医学物理 · 物理学 2025-06-30 James A Coleman , Julia Camps , Abdallah I Hasaballa , Alfonso Bueno-Orovio

The complex dynamics of the heart are reflected in its electrical activity, captured through electrocardiograms (ECGs). In this study we use nonlinear time series analysis to understand how ECG complexity varies with cardiac pathology.…

信号处理 · 电气工程与系统科学 2025-10-22 Camilo Quiceno Quintero , Sandip Varkey George

The electrocardiogram (ECG) is a dependable instrument for assessing the function of the cardiovascular system. There has recently been much emphasis on precisely classifying ECGs. While ECG situations have numerous similarities, little…

信号处理 · 电气工程与系统科学 2023-11-09 Kamyar Zeinalipour , Marco Gori