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Electrocardiography (ECG) is a non-invasive tool for predicting cardiovascular diseases (CVDs). Current ECG-based diagnosis systems show promising performance owing to the rapid development of deep learning techniques. However, the label…

信号处理 · 电气工程与系统科学 2023-06-21 Rushuang Zhou , Lei Lu , Zijun Liu , Ting Xiang , Zhen Liang , David A. Clifton , Yining Dong , Yuan-Ting Zhang

Electrocardiogram (ECG) is a widely used reliable, non-invasive approach for cardiovascular disease diagnosis. With the rapid growth of ECG examinations and the insufficiency of cardiologists, accurate and automatic diagnosis of ECG signals…

机器学习 · 计算机科学 2020-10-21 Dongdong Zhang , Xiaohui Yuan , Ping Zhang

Supervised machine learning applications in health care are often limited due to a scarcity of labeled training data. To mitigate this effect of small sample size, we introduce a pre-training approach, Patient Contrastive Learning of…

机器学习 · 计算机科学 2022-04-06 Nathaniel Diamant , Erik Reinertsen , Steven Song , Aaron Aguirre , Collin Stultz , Puneet Batra

The success of deep learning methods in medical image segmentation tasks heavily depends on a large amount of labeled data to supervise the training. On the other hand, the annotation of biomedical images requires domain knowledge and can…

计算机视觉与模式识别 · 计算机科学 2021-09-30 Xinrong Hu , Dewen Zeng , Xiaowei Xu , Yiyu Shi

Electrocardiogram (ECG) delineation plays a crucial role in assisting cardiologists with accurate diagnoses. Prior research studies have explored various methods, including the application of deep learning techniques, to achieve precise…

机器学习 · 计算机科学 2024-06-06 Aram Avetisyan , Nikolas Khachaturov , Ariana Asatryan , Shahane Tigranyan , Yury Markin

Advances in self-supervised learning (SSL) have shown that self-supervised pretraining on medical imaging data can provide a strong initialization for downstream supervised classification and segmentation. Given the difficulty of obtaining…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Gregory Holste , Evangelos K. Oikonomou , Bobak J. Mortazavi , Zhangyang Wang , Rohan Khera

Contrastive representation learning has been recently proved to be very efficient for self-supervised training. These methods have been successfully used to train encoders which perform comparably to supervised training on downstream…

机器学习 · 计算机科学 2020-12-03 Ibrahim Merad , Yiyang Yu , Emmanuel Bacry , Stéphane Gaïffas

Electrocardiogram (ECG) analysis is foundational for cardiovascular disease diagnosis, yet the performance of deep learning models is often constrained by limited access to annotated data. Self-supervised contrastive learning has emerged as…

Electrocardiogram (ECG) captures the heart's electrical signals, offering valuable information for diagnosing cardiac conditions. However, the scarcity of labeled data makes it challenging to fully leverage supervised learning in the…

机器学习 · 计算机科学 2026-04-13 Sehun Kim

Background: Deep learning models have shown great success in automating tasks in sleep medicine by learning from carefully annotated Electroencephalogram (EEG) data. However, effectively utilizing a large amount of raw EEG remains a…

信号处理 · 电气工程与系统科学 2023-02-14 Chaoqi Yang , Danica Xiao , M. Brandon Westover , Jimeng Sun

We present an electrocardiogram (ECG) -based emotion recognition system using self-supervised learning. Our proposed architecture consists of two main networks, a signal transformation recognition network and an emotion recognition network.…

机器学习 · 计算机科学 2020-04-14 Pritam Sarkar , Ali Etemad

Self-supervised representation learning can mitigate the limitations in recognition tasks with few manually labeled data but abundant unlabeled data---a common scenario in sound event research. In this work, we explore unsupervised…

声音 · 计算机科学 2020-11-17 Eduardo Fonseca , Diego Ortego , Kevin McGuinness , Noel E. O'Connor , Xavier Serra

Foundation models in healthcare have largely adopted self supervised pretraining objectives inherited from natural language processing and computer vision, emphasizing reconstruction and large scale representation learning prior to…

机器学习 · 计算机科学 2026-03-24 Yang Zhang , Li Fan , Samuel Lawrence , Shi Li

The performances of commonly used electrocardiogram (ECG) diagnosis models have recently improved with the introduction of deep learning (DL). However, the impact of various combinations of multiple DL components and/or the role of data…

信号处理 · 电气工程与系统科学 2022-08-02 Jae-Won Choi , Dae-Yong Hong , Chan Jung , Eugene Hwang , Sung-Hyuk Park , Seung-Young Roh

Electrocardiogram (ECG) arrhythmia classification remains challenging due to signal variability, noise, limited labeled data, and the difficulty in achieving both accuracy and efficiency in models. While self-supervised learning reduces…

机器学习 · 计算机科学 2026-05-14 Mahsa Gazeran , Sayvan Soleymanbaigi , Fatemeh Daneshfar , Amjad Seyedi , Fardin Akhlaghian Tab

Machine learning (ML) applied to routine patient monitoring within intensive care units (ICUs) has the potential to improve care by providing clinicians with novel insights into each patient's health and expected response to interventions.…

信号处理 · 电气工程与系统科学 2024-06-26 Thomas Kite , Uzair Tahamid Siam , Brian Ayers , Nicholas Houstis , Aaron D Aguirre

Learning representations from electrocardiogram (ECG) signals can serve as a fundamental step for different machine learning-based ECG tasks. In order to extract general ECG representations that can be adapted to various downstream tasks,…

机器学习 · 计算机科学 2022-09-22 Wenrui Zhang , Shijia Geng , Shenda Hong

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…

机器学习 · 计算机科学 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…

机器学习 · 计算机科学 2023-09-07 Blake VanBerlo , Jesse Hoey , Alexander Wong

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia