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Understanding the factors that trigger or prevent undesirable health outcomes across patient subpopulations is essential for designing targeted interventions. While randomized controlled trials and expert-led patient interviews are standard…

Artificial Intelligence · Computer Science 2026-05-28 Shishir Adhikari , Guido Muscioni , Mark Shapiro , Plamen Petrov , Elena Zheleva

Datasets for biosignals, such as electroencephalogram (EEG) and electrocardiogram (ECG), often have noisy labels and have limited number of subjects (<100). To handle these challenges, we propose a self-supervised approach based on…

Machine Learning · Computer Science 2020-07-10 Joseph Y. Cheng , Hanlin Goh , Kaan Dogrusoz , Oncel Tuzel , Erdrin Azemi

As hospitals move towards automating and integrating their computing systems, more fine-grained hospital operations data are becoming available. These data include hospital architectural drawings, logs of interactions between patients and…

Machine Learning · Computer Science 2023-03-22 Hankyu Jang , Sulyun Lee , D. M. Hasibul Hasan , Philip M. Polgreen , Sriram V. Pemmaraju , Bijaya Adhikari

The increased adoption of Electronic Health Records(EHRs) has brought changes to the way the patient care is carried out. The rich heterogeneous and temporal data space stored in EHRs can be leveraged by machine learning models to capture…

Machine Learning · Computer Science 2019-04-11 Maria Bampa

Myocardial infarction (MI) is a leading cause of death, and its adverse outcomes are urgent to predict. Yet ECG-based prognostic models underperform because deep learning requires large, labelled datasets, which are scarce in medicine.…

Objective: Finding events of interest is a common task in biomedical signal processing. The detection of epileptic seizures and signal artefacts are two key examples. Epoch-based classification is the typical machine learning framework to…

Signal Processing · Electrical Eng. & Systems 2023-07-10 Nick Seeuws , Maarten De Vos , Alexander Bertrand

Electronic health record (EHR) data are increasingly used to support real-world evidence (RWE) studies. Yet its ability to generate reliable RWE is limited by the lack of readily available precise information on the timing of clinical…

Contrastive learning is a widely adopted self-supervised pretraining strategy, yet its dependence on cohort composition remains underexplored. We present Contrasting by Patient Augmented Electrocardiograms (CAPE) foundation model and…

Medical event prediction (MEP) is a fundamental task in the medical domain, which needs to predict medical events, including medications, diagnosis codes, laboratory tests, procedures, outcomes, and so on, according to historical medical…

Machine Learning · Computer Science 2022-05-02 Sicen Liu , Xiaolong Wang , Yang Xiang , Hui Xu , Hui Wang , Buzhou Tang

Although increasingly used as a data resource for assembling cohorts, electronic health records (EHRs) pose many analytic challenges. In particular, a patient's health status influences when and what data are recorded, generating sampling…

Methodology · Statistics 2020-04-28 Yifei Sun , Charles E. McCulloch , Kieren A. Marr , Chiung-Yu Huang

This work discusses the use of contrastive learning and deep learning for diagnosing cardiovascular diseases from electrocardiography (ECG) signals. While the ECG signals usually contain 12 leads (channels), many healthcare facilities and…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Tue M. Cao , Nhat H. Tran , Phi Le Nguyen , Hieu Pham

In intensive care units (ICUs), critically ill patients are monitored with electroencephalograms (EEGs) to prevent serious brain injury. The number of patients who can be monitored is constrained by the availability of trained physicians to…

Skin image datasets often suffer from imbalanced data distribution, exacerbating the difficulty of computer-aided skin disease diagnosis. Some recent works exploit supervised contrastive learning (SCL) for this long-tailed challenge.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Yilan Zhang , Jianqi Chen , Ke Wang , Fengying Xie

Learning from electronic medical records (EMR) is challenging due to their relational nature and the uncertain dependence between a patient's past and future health status. Statistical relational learning is a natural fit for analyzing EMRs…

Machine Learning · Computer Science 2012-07-03 Jesse Davis , Vitor Santos Costa , Peggy Peissig , Michael Caldwell , Elizabeth Berg , David Page

In longitudinal electronic health records (EHRs), the event records of a patient are distributed over a long period of time and the temporal relations between the events reflect sufficient domain knowledge to benefit prediction tasks such…

Computation and Language · Computer Science 2020-06-16 Xueping Peng , Guodong Long , Tao Shen , Sen Wang , Jing Jiang , Michael Blumenstein

Rich Electronic Health Records (EHR), have created opportunities to improve clinical processes using machine learning methods. Prediction of the same patient events at different time horizons can have very different applications and…

Machine Learning · Computer Science 2023-03-07 Hao Liu , Muhan Zhang , Zehao Dong , Lecheng Kong , Yixin Chen , Bradley Fritz , Dacheng Tao , Christopher King

With the advancement of science and technology, the importance of emotion research has become increasingly evident. Electroencephalography (EEG)-based emotion recognition has emerged as an active research area in recent years, owing to its…

Human-Computer Interaction · Computer Science 2026-05-22 Ying Xie , Yi Zheng , Zehui Xiao , Wenkai Lu , Mengting Liu

Integrating multimodal Electronic Health Records (EHR) data, such as numerical time series and free-text clinical reports, has great potential in predicting clinical outcomes. However, prior work has primarily focused on capturing temporal…

Machine Learning · Computer Science 2025-11-10 Fuying Wang , Feng Wu , Yihan Tang , Lequan Yu

This study investigates the feasibility of using electrocardiogram (ECG) data combined with basic patient metadata to estimate and monitor prompt laboratory abnormalities. We use the MIMIC-IV dataset to train multimodal deep learning models…

Signal Processing · Electrical Eng. & Systems 2025-11-20 Juan Miguel Lopez Alcaraz , Nils Strodthoff

Evaluating the clinical similarities between pairwise patients is a fundamental problem in healthcare informatics. A proper patient similarity measure enables various downstream applications, such as cohort study and treatment comparative…

Machine Learning · Statistics 2019-02-12 Zihao Zhu , Changchang Yin , Buyue Qian , Yu Cheng , Jishang Wei , Fei Wang