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Imbalanced electrocardiogram (ECG) data hampers the efficacy and resilience of algorithms in the automated processing and interpretation of cardiovascular diagnostic information, which in turn impedes deep learning-based ECG classification.…

机器学习 · 计算机科学 2026-01-15 Haijian Shao , Wei Liu , Xing Deng , Daze Lu

Electrocardiogram (ECG), a technique for medical monitoring of cardiac activity, is an important method for identifying cardiovascular disease. However, analyzing the increasing quantity of ECG data consumes a lot of medical resources. This…

信号处理 · 电气工程与系统科学 2022-10-13 Xinyao Hou , Shengmei Qin , Jianbo Su

Electrocardiogram (ECG) analysis is crucial for diagnosing heart disease, but most self-supervised learning methods treat ECG as a generic time series, overlooking physiologic semantics and rhythm-level structure. Existing contrastive…

机器学习 · 计算机科学 2026-02-27 Xin Wang , Burcu Ozek , Aruna Mohan , Amirhossein Ravari , Or Zilbershot , Fatemeh Afghah

The heart's electrical activity, recorded through Electrocardiography (ECG), is essential for diagnosing various cardiovascular conditions. However, many existing ECG segmentation models rely on complex, multi-layered architectures such as…

机器学习 · 计算机科学 2025-08-25 Muhammad Fathur Rohman Sidiq , Abdurrouf , Didik Rahadi Santoso

The performance of cardiac arrhythmia detection with electrocardiograms(ECGs) has been considerably improved since the introduction of deep learning models. In practice, the high performance alone is not sufficient and a proper explanation…

信号处理 · 电气工程与系统科学 2024-10-23 Jangwon Suh , Jimyeong Kim , Euna Jung , Wonjong Rhee

Electrocardiogram (ECG) signal is a common and powerful tool to study heart function and diagnose several abnormal arrhythmias. While there have been remarkable improvements in cardiac arrhythmia classification methods, they still cannot…

定量方法 · 定量生物学 2019-03-14 Sajad Mousavi , Fatemeh Afghah , U. Rajendra Acharya

In primary diagnosis and analysis of heart defects, an ECG signal plays a significant role. This paper presents a model for the prediction of ventricular tachycardia arrhythmia using noise filtering, a unique set of ECG features, and a…

信号处理 · 电气工程与系统科学 2021-12-28 Pampa Howladar , Manodipan Sahoo

We propose an algorithm for electrocardiogram (ECG) segmentation using a UNet-like full-convolutional neural network. The algorithm receives an arbitrary sampling rate ECG signal as an input, and gives a list of onsets and offsets of P and…

信号处理 · 电气工程与系统科学 2020-01-15 Viktor Moskalenko , Nikolai Zolotykh , Grigory Osipov

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…

Objective: Global (inter-patient) ECG classification for arrhythmia detection over Electrocardiogram (ECG) signal is a challenging task for both humans and machines. The main reason is the significant variations of both normal and…

机器学习 · 计算机科学 2022-05-31 Muhammad Uzair Zahid , Serkan Kiranyaz , Moncef Gabbouj

Early recognition of abnormal rhythms in ECG signals is crucial for monitoring and diagnosing patients' cardiac conditions, increasing the success rate of the treatment. Classifying abnormal rhythms into exact categories is very challenging…

机器学习 · 计算机科学 2019-12-18 Jing Zhang , Jing Tian , Yang Cao , Yuxiang Yang , Xiaobin Xu

Cardiovascular diseases are the leading cause of mortality globally, necessitating advancements in diagnostic techniques. This study explores the application of wavelet transformation for classifying electrocardiogram (ECG) signals to…

计算工程、金融与科学 · 计算机科学 2024-08-06 Morteza Maleki , Foad Haeri

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiovascular assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

机器学习 · 计算机科学 2024-10-31 Christopher J. Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria

A novel approach for analysing cardiac rhythm data is presented in this paper. Heartbeats are decomposed into the five fundamental $P$, $Q$, $R$, $S$ and $T$ waves plus an error term to account for artefacts in the data which provides a…

统计方法学 · 统计学 2022-05-04 Cristina Rueda , Yolanda Larriba , Adrián Lamela

Electrocardiogram (ECG) is a simple non-invasive measure to identify heart-related issues such as irregular heartbeats known as arrhythmias. While artificial intelligence and machine learning is being utilized in a wide range of healthcare…

机器学习 · 计算机科学 2022-07-11 Minh Cao , Tianqi Zhao , Yanxun Li , Wenhao Zhang , Peyman Benharash , Ramin Ramezani

Electrocardiogram (ECG) is essential for the clinical diagnosis of arrhythmias and other heart diseases, but deep learning methods based on ECG often face limitations due to the need for high-quality annotations. Although previous ECG…

机器学习 · 计算机科学 2025-02-18 Jiarui Jin , Haoyu Wang , Hongyan Li , Jun Li , Jiahui Pan , Shenda Hong

The T-wave of an electrocardiogram (ECG) represents the ventricular repolarization that is critical in restoration of the heart muscle to a pre-contractile state prior to the next beat. Alterations in the T-wave reflect various cardiac…

应用统计 · 统计学 2010-09-30 Yingchun Zhou , Nell Sedransk

In this paper, we present a powerful, compact electrocardiogram (ECG) classification algorithm for cardiac arrhythmia diagnosis that addresses the current reliance on deep learning and convolutional neural networks (CNNs) in ECG analysis.…

Many efforts have been devoted to develop alternative methods to traditional vector quantization in image domain such as sparse coding and soft-assignment. These approaches can be split into a dictionary learning phase and a feature…

计算机视觉与模式识别 · 计算机科学 2013-09-03 Xiaojiang Peng , Qiang Peng , Yu Qiao , Junzhou Chen , Mehtab Afzal

The adoption of deep learning-based healthcare decision support systems such as the detection of irregular cardiac rhythm is hindered by challenges such as lack of access to quality data and the high costs associated with the collection and…

机器学习 · 计算机科学 2022-05-31 Sagnik Dakshit , Barbara Mukami Maweu , Sristi Dakshit , Balakrishnan Prabhakaran