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Early and accurate diagnosis of pulmonary hypertension (PH) is essential for optimal patient management. Differentiating between pre-capillary and post-capillary PH is critical for guiding treatment decisions. This study develops and…

图像与视频处理 · 电气工程与系统科学 2025-04-03 Fubao Zhu , Yang Zhang , Gengmin Liang , Jiaofen Nan , Yanting Li , Chuang Han , Danyang Sun , Zhiguo Wang , Chen Zhao , Wenxuan Zhou , Jian He , Yi Xu , Iokfai Cheang , Xu Zhu , Yanli Zhou , Weihua Zhou

This paper proposes piece-wise matching layer as a novel layer in representation learning methods for electrocardiogram (ECG) classification. Despite the remarkable performance of representation learning methods in the analysis of time…

信号处理 · 电气工程与系统科学 2020-10-14 Behzad Ghazanfari , Fatemeh Afghah , Sixian Zhang

Conventional multi-lead electrocardiogram (ECG) systems capture cardiac signals from a fixed set of anatomical viewpoints defined by lead placement. However, certain cardiac conditions (e.g., Brugada syndrome) require additional,…

信号处理 · 电气工程与系统科学 2025-11-07 Zehui Zhan , Yaojun Hu , Jiajing Zhan , Wanchen Lian , Wanqing Wu , Jintai Chen

We release the largest public ECG dataset of continuous raw signals for representation learning containing 11 thousand patients and 2 billion labelled beats. Our goal is to enable semi-supervised ECG models to be made as well as to discover…

Transthoracic echocardiography is the reference standard for confirming structural heart disease (SHD), but first-line screening is limited by cost, workflow burden, and specialist availability. We evaluated whether open pretrained…

This study introduces OpenECG, a large-scale benchmark of 1.2 million 12-lead ECG recordings from nine centers, to evaluate ECG foundation models (ECG-FMs) trained on public datasets. We investigate three self-supervised learning methods…

机器学习 · 计算机科学 2025-03-04 Zhijiang Wan , Qianhao Yu , Jia Mao , Wenfeng Duan , Cheng Ding

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

A substantial amount of variability in ECG manifested due to patient characteristics hinders the adoption of automated analysis algorithms in clinical practice. None of the ECG annotators developed till date consider the characteristics of…

信号处理 · 电气工程与系统科学 2024-10-28 Shreya Srivastava , Durgesh Kumar , Jatin Bedi , Sandeep Seth , Deepak Sharma

Electrocardiography (ECG) signal is a highly applied measurement for individual heart condition, and much effort have been endeavored towards automatic heart arrhythmia diagnosis based on machine learning. However, traditional machine…

信号处理 · 电气工程与系统科学 2021-11-01 Ziyu Liu , Xiang Zhang

A new algorithm has been developed for delineation of significant points of various electrocardiographic signal (ECG) waves, taking into account information from all available leads and providing similar or higher accuracy in comparison…

Electrocardiogram (ECG) delineation, the segmentation of meaningful waveform features, is critical for clinical diagnosis. Despite recent advances using deep learning, progress has been limited by the scarcity of publicly available…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Minje Park , Jeonghwa Lim , Taehyung Yu , Sunghoon Joo

Automatic classification of electrocardiogram (ECG) signals plays a crucial role in the early prevention and diagnosis of cardiovascular diseases. While ECG signals can be used for the diagnosis of various diseases, their pathological…

信号处理 · 电气工程与系统科学 2023-06-22 Renjie Cheng , Zhemin Zhuang , Shuxin Zhuang , Lei Xie , Jingfeng Guo

Electrocardiogram (ECG) diagnosis remains challenging due to limited labeled data and the need to capture subtle yet clinically meaningful variations in rhythm and morphology. We present CREMA (Contrastive Regularized Masked Autoencoder), a…

机器学习 · 计算机科学 2025-08-22 Junho Song , Jong-Hwan Jang , DongGyun Hong , Joon-myoung Kwon , Yong-Yeon Jo

Electrocardiogram (ECG) signals, profiling the electrical activities of the heart, are used for a plethora of diagnostic applications. However, ECG systems require multiple leads or channels of signals to capture the complete view of the…

信号处理 · 电气工程与系统科学 2024-05-31 Nabil Ibtehaz , Masood Mortazavi

Effective detection of arrhythmia is an important task in the remote monitoring of electrocardiogram (ECG). The traditional ECG recognition depends on the judgment of the clinicians' experience, but the results suffer from the probability…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Yunan Wu , Feng Yang , Ying Liu , Xuefan Zha , Shaofeng Yuan

This paper present an electrocardiogram (ECG) beat classification method based on waveform similarity and RR interval. The purpose of the method is to classify six types of heart beats (normal beat, atrial premature beat, paced beat,…

定量方法 · 定量生物学 2011-01-11 Ahmad Khoureich Ka

Electrocardiogram (ECG) signals are often degraded by various noise sources such as baseline wander, motion artifacts, and electromyographic interference, posing a major challenge in clinical settings. This paper presents a lightweight deep…

信号处理 · 电气工程与系统科学 2025-11-18 Mahdi Pirayesh Shirazi Nejad , David Hicks , Matt Valentine , Ki H. Chon

Automatic heart sound abnormality detection can play a vital role in the early diagnosis of heart diseases, particularly in low-resource settings. The state-of-the-art algorithms for this task utilize a set of Finite Impulse Response (FIR)…

计算机视觉与模式识别 · 计算机科学 2019-04-25 Ahmed Imtiaz Humayun , Shabnam Ghaffarzadegan , Zhe Feng , Taufiq Hasan

The role of automatic electrocardiogram (ECG) analysis in clinical practice is limited by the accuracy of existing models. Deep Neural Networks (DNNs) are models composed of stacked transformations that learn tasks by examples. This…

Using smart wearable devices to monitor patients electrocardiogram (ECG) for real-time detection of arrhythmias can significantly improve healthcare outcomes. Convolutional neural network (CNN) based deep learning has been used successfully…

机器学习 · 计算机科学 2021-09-07 Xiaolin Li , Rajesh Panicker , Barry Cardiff , Deepu John