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Interpretation of electrocardiography (ECG) signals is required for diagnosing cardiac arrhythmia. Recently, machine learning techniques have been applied for automated computer-aided diagnosis. Machine learning tasks can be divided into…

Electrocardiogram (ECG) interpretation requires specialized expertise, often involving synthesizing insights from ECG signals with complex clinical queries posed in natural language. The scarcity of labeled ECG data coupled with the diverse…

Machine Learning · Computer Science 2025-05-09 Jialu Tang , Tong Xia , Yuan Lu , Cecilia Mascolo , Aaqib Saeed

Objective. Supervised learning paradigms are often limited by the amount of labeled data that is available. This phenomenon is particularly problematic in clinically-relevant data, such as electroencephalography (EEG), where labeling can be…

Machine Learning · Statistics 2020-08-03 Hubert Banville , Omar Chehab , Aapo Hyvärinen , Denis-Alexander Engemann , Alexandre Gramfort

Electrocardiograms (ECGs) are an established technique to screen for abnormal cardiac signals. Recent work has established that it is possible to detect arrhythmia directly from the ECG signal using deep learning algorithms. While a few…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Hyewon Jeong , Suyeol Yun , Hammaad Adam

The complex structure of the heart leads to significant challenges in echocardiography, especially in acquisition cardiac ultrasound images. Successful echocardiography requires a thorough understanding of the structures on the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Haojun Jiang , Meng Li , Zhenguo Sun , Ning Jia , Yu Sun , Shaqi Luo , Shiji Song , Gao Huang

An electrocardiogram (ECG) is a widely used, cost-effective tool for detecting electrical abnormalities in the heart. However, it cannot directly measure functional parameters, such as ventricular volumes and ejection fraction, which are…

Image and Video Processing · Electrical Eng. & Systems 2025-06-27 Alexander Selivanov , Philip Müller , Özgün Turgut , Nil Stolt-Ansó , Daniel Rückert

We propose 3KG, a physiologically-inspired contrastive learning approach that generates views using 3D augmentations of the 12-lead electrocardiogram. We evaluate representation quality by fine-tuning a linear layer for the downstream task…

Cardiovascular diseases are a leading cause of death and disability worldwide. Electrocardiogram (ECG) is critical for diagnosing and monitoring cardiac health, but obtaining large-scale annotated ECG datasets is labor-intensive and…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Mingsheng Cai , Jiuming Jiang , Wenhao Huang , Che Liu , Rossella Arcucci

With the progress of sensor technology in wearables, the collection and analysis of PPG signals are gaining more interest. Using Machine Learning, the cardiac rhythm corresponding to PPG signals can be used to predict different tasks such…

Signal Processing · Electrical Eng. & Systems 2022-12-20 Ramin Ghorbani , Marcel J. T. Reinders , David M. J. Tax

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…

Machine Learning · Computer Science 2026-02-27 Xin Wang , Burcu Ozek , Aruna Mohan , Amirhossein Ravari , Or Zilbershot , Fatemeh Afghah

Self-supervised learning (SSL) offers a promising approach for learning electroencephalography (EEG) representations from unlabeled data, reducing the need for expensive annotations for clinical applications like sleep staging and seizure…

Accurate diagnosis of heart arrhythmias requires the interpretation of electrocardiograms (ECG), which capture the electrical activity of the heart. Automating this process through machine learning is challenging due to the need for large…

Signal Processing · Electrical Eng. & Systems 2024-10-21 Kuba Weimann , Tim O. F. Conrad

The supervised learning paradigm is limited by the cost - and sometimes the impracticality - of data collection and labeling in multiple domains. Self-supervised learning, a paradigm which exploits the structure of unlabeled data to create…

The electrocardiogram (ECG) is a key diagnostic tool in cardiovascular health. Single-lead ECG recording is integrated into both clinical-grade and consumer wearables. While self-supervised pretraining of foundation models on unlabeled ECGs…

Machine Learning · Computer Science 2025-12-03 Yuxuan Shu , Peter H. Charlton , Fahim Kawsar , Jussi Hernesniemi , Mohammad Malekzadeh

Self-supervised pretraining has been observed to be effective at improving feature representations for transfer learning, leveraging large amounts of unlabelled data. This review summarizes recent research into its usage in X-ray, computed…

Machine Learning · Computer Science 2023-09-07 Blake VanBerlo , Jesse Hoey , Alexander Wong

Electroencephalogram (EEG) is a non-invasive technique to record bioelectrical signals. Integrating supervised deep learning techniques with EEG signals has recently facilitated automatic analysis across diverse EEG-based tasks. However,…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Weining Weng , Yang Gu , Shuai Guo , Yuan Ma , Zhaohua Yang , Yuchen Liu , Yiqiang Chen

The multi-lead electrocardiogram (ECG) stands as a cornerstone of cardiac diagnosis. Recent strides in electrocardiogram self-supervised learning (eSSL) have brightened prospects for enhancing representation learning without relying on…

Machine Learning · Computer Science 2026-01-01 Tan Pan , Yixuan Sun , Chen Jiang , Qiong Gao , Rui Sun , Xingmeng Zhang , Zhenqi Yang , Limei Han , Yixiu Liang , Yuan Cheng , Kaiyu Guo

In the medical field, current ECG signal analysis approaches rely on supervised deep neural networks trained for specific tasks that require substantial amounts of labeled data. However, our paper introduces ECGBERT, a self-supervised…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Seokmin Choi , Sajad Mousavi , Phillip Si , Haben G. Yhdego , Fatemeh Khadem , Fatemeh Afghah

The label scarcity problem is the main challenge that hinders the wide application of deep learning systems in automatic cardiovascular diseases (CVDs) detection using electrocardiography (ECG). Tuning pre-trained models alleviates this…

Machine Learning · Computer Science 2024-11-18 Rushuang Zhou , Lei Clifton , Zijun Liu , Kannie W. Y. Chan , David A. Clifton , Yuan-Ting Zhang , Yining Dong

Electrocardiography (ECG) is central to cardiovascular care, but conventional AI models are often restricted to common arrhythmias and may generalize poorly across populations or clinically subtle diseases. We developed ECG Contrastive…