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Electrocardiograms (ECGs) play a vital role in monitoring cardiac health and diagnosing heart diseases. However, traditional deep learning approaches for ECG analysis rely heavily on large-scale manual annotations, which are both…

信号处理 · 电气工程与系统科学 2025-06-30 Fuying Wang , Jiacheng Xu , Lequan Yu

Although electrocardiograms (ECG) play a dominant role in cardiovascular diagnosis and treatment, their intrinsic data forms and representational patterns pose significant challenges for medical multimodal large language models (Med-MLLMs)…

Cardiovascular disease is a large worldwide healthcare issue; symptoms often present suddenly with minimal warning. The electrocardiogram (ECG) is a fast, simple and reliable method of evaluating the health of the heart, by measuring…

信号处理 · 电气工程与系统科学 2022-01-15 Yola Jones , Fani Deligianni , Jeff Dalton

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…

机器学习 · 计算机科学 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

The advent of multimodal large language models (MLLMs) has sparked interest in their application to electrocardiogram (ECG) analysis. However, existing ECG-focused MLLMs primarily focus on report generation tasks, often limited to single…

计算与语言 · 计算机科学 2025-11-13 Haitao Li , Ziyu Li , Yiheng Mao , Ziyi Liu , Zhoujian Sun , Zhengxing Huang

While Multimodal Large Language Models (MLLMs) show promising performance in automated electrocardiogram interpretation, it remains unclear whether they genuinely perform actual step-by-step reasoning or just rely on superficial visual…

机器学习 · 计算机科学 2026-03-17 Jungwoo Oh , Hyunseung Chung , Junhee Lee , Min-Gyu Kim , Hangyul Yoon , Ki Seong Lee , Youngchae Lee , Muhan Yeo , Edward Choi

Recent advancements in Large Language Models (LLMs) have drawn increasing attention since the learned embeddings pretrained on large-scale datasets have shown powerful ability in various downstream applications. However, whether the learned…

计算与语言 · 计算机科学 2023-02-07 Jielin Qiu , William Han , Jiacheng Zhu , Mengdi Xu , Michael Rosenberg , Emerson Liu , Douglas Weber , Ding Zhao

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…

信号处理 · 电气工程与系统科学 2023-06-13 Seokmin Choi , Sajad Mousavi , Phillip Si , Haben G. Yhdego , Fatemeh Khadem , Fatemeh Afghah

The processing of ECG signal provides a wealth of information on cardiac function and overall cardiovascular health. While multi-lead ECG recordings are often necessary for a proper assessment of cardiac rhythms, they are not always…

应用统计 · 统计学 2016-11-23 Christophe L. Herry , Martin Frasch , Andrew JE Seely , Hau-tieng Wu

An electroencephalogram (EEG) signal is currently accepted as a standard for automatic sleep staging. Lately, Near-human accuracy in automated sleep staging has been achievable by Deep Learning (DL) based approaches, enabling multi-fold…

信号处理 · 电气工程与系统科学 2022-11-24 Vaibhav Joshi , Sricharan V , Preejith SP , Mohanasankar Sivaprakasam

Medical text learning has recently emerged as a promising area to improve healthcare due to the wide adoption of electronic health record (EHR) systems. The complexity of the medical text such as diverse length, mixed text types, and full…

计算与语言 · 计算机科学 2022-10-11 Yong He , Cheng Wang , Shun Zhang , Nan Li , Zhaorong Li , Zhenyu Zeng

The adoption of deep learning in ECG diagnosis is often hindered by the scarcity of large, well-labeled datasets in real-world scenarios, leading to the use of transfer learning to leverage features learned from larger datasets. Yet the…

机器学习 · 计算机科学 2024-06-28 Cuong V. Nguyen , Cuong D. Do

While analytics of sleep electroencephalography (EEG) holds certain advantages over other methods in clinical applications, high variability across subjects poses a significant challenge when it comes to deploying machine learning models…

机器学习 · 计算机科学 2023-10-05 Manoj Vishwanath , Steven Cao , Nikil Dutt , Amir M. Rahmani , Miranda M. Lim , Hung Cao

Medical deep learning models depend heavily on domain-specific knowledge to perform well on knowledge-intensive clinical tasks. Prior work has primarily leveraged unimodal knowledge graphs, such as the Unified Medical Language System…

人工智能 · 计算机科学 2025-05-26 Xiaochen Wang , Yuan Zhong , Lingwei Zhang , Lisong Dai , Ting Wang , Fenglong Ma

Labeling of multivariate biomedical time series data is a laborious and expensive process. Self-supervised contrastive learning alleviates the need for large, labeled datasets through pretraining on unlabeled data. However, for multivariate…

机器学习 · 统计学 2023-07-21 Thea Brüsch , Mikkel N. Schmidt , Tommy S. Alstrøm

Electrocardiogram is a useful diagnostic signal that can detect cardiac abnormalities by measuring the electrical activity generated by the heart. Due to its rapid, non-invasive, and richly informative characteristics, ECG has many emerging…

机器学习 · 计算机科学 2025-12-09 Hanhui Deng , Xinglin Li , Jie Luo , Di Wu

A significant challenge in the electroencephalogram EEG lies in the fact that current data representations involve multiple electrode signals, resulting in data redundancy and dominant lead information. However extensive research conducted…

信号处理 · 电气工程与系统科学 2024-07-31 Huyen Ngo , Khoi Do , Duong Nguyen , Viet Dung Nguyen , Lan Dang

In conventional machine learning (ML) approaches applied to electroencephalography (EEG), this is often a limited focus, isolating specific brain activities occurring across disparate temporal scales (from transient spikes in milliseconds…

定量方法 · 定量生物学 2024-02-06 Jonathan W. Kim , Ahmed Alaa , Danilo Bernardo

Electrocardiogram (ECG) synthesis is the area of research focused on generating realistic synthetic ECG signals for medical use without concerns over annotation costs or clinical data privacy restrictions. Traditional ECG generation models…

计算与语言 · 计算机科学 2023-03-17 Hyunseung Chung , Jiho Kim , Joon-myoung Kwon , Ki-Hyun Jeon , Min Sung Lee , Edward Choi

Understanding the interaction of neural and cardiac systems during cognitive activity is critical to advancing physiological computing. Although EEG has been the gold standard for assessing mental workload, its limited portability restricts…

机器学习 · 计算机科学 2026-01-06 Akshay Sasi , Malavika Pradeep , Nusaibah Farrukh , Rahul Venugopal , Elizabeth Sherly