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The efficacy of Electroencephalogram (EEG) classifiers can be augmented by increasing the quantity of available data. In the case of geometric deep learning classifiers, the input consists of spatial covariance matrices derived from EEGs.…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Ce Ju , Reinmar Josef Kobler , Cuntai Guan

Radar-based wellness monitoring is becoming an effective measurement to provide accurate vital signs in a contactless manner, but data scarcity retards the related research on deep-learning-based methods. Data augmentation is commonly used…

Signal Processing · Electrical Eng. & Systems 2025-03-26 Yuanyuan Zhang , Sijie Xiong , Rui Yang , EngGee Lim , Yutao Yue

We present ConvexECG, an explainable and resource-efficient method for reconstructing six-lead electrocardiograms (ECG) from single-lead data, aimed at advancing personalized and continuous cardiac monitoring. ConvexECG leverages a convex…

Machine Learning · Computer Science 2024-09-20 Rayan Ansari , John Cao , Sabyasachi Bandyopadhyay , Sanjiv M. Narayan , Albert J. Rogers , Mert Pilanci

We develop an algorithm which exceeds the performance of board certified cardiologists in detecting a wide range of heart arrhythmias from electrocardiograms recorded with a single-lead wearable monitor. We build a dataset with more than…

Computer Vision and Pattern Recognition · Computer Science 2017-07-07 Pranav Rajpurkar , Awni Y. Hannun , Masoumeh Haghpanahi , Codie Bourn , Andrew Y. Ng

Deep learning models have shown high accuracy in classifying electrocardiograms (ECGs), but their black box nature hinders clinical adoption due to a lack of trust and interpretability. To address this, we propose a novel three-stage…

Machine Learning · Computer Science 2025-12-09 Jose Geraldo Fernandes , Luiz Facury de Souza , Pedro Robles Dutenhefner , Gisele L. Pappa , Wagner Meira

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

Cardiovascular disease (CVD) is a major pediatric health burden, and early screening is of critical importance. Electrocardiography (ECG), as a noninvasive and accessible tool, is well suited for this purpose. This paper presents the first…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Yiqiao Chen

Through automation, deep learning (DL) can enhance the analysis of transesophageal echocardiography (TEE) images. However, DL methods require large amounts of high-quality data to produce accurate results, which is difficult to satisfy.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-10 Emmanuel Oladokun , Musa Abdulkareem , Jurica Šprem , Vicente Grau

While ECG data is crucial for diagnosing and monitoring heart conditions, it also contains unique biometric information that poses significant privacy risks. Existing ECG re-identification studies rely on exhaustive analysis of numerous…

Signal Processing · Electrical Eng. & Systems 2024-08-21 Ziyu Wang , Anil Kanduri , Seyed Amir Hossein Aqajari , Salar Jafarlou , Sanaz R. Mousavi , Pasi Liljeberg , Shaista Malik , Amir M. Rahmani

An electrocardiogram (ECG) captures the heart's electrical signal to assess various heart conditions. In practice, ECG data is stored as either digitized signals or printed images. Despite the emergence of numerous deep learning models for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Ju-Hyeon Nam , Seo-Hyung Park , Su Jung Kim , Sang-Chul Lee

Electrocardiograms (ECGs) are among the most widely used diagnostic tools for cardiovascular diseases, and a large amount of ECG data worldwide appears only in image form. However, most existing automated ECG analysis methods rely on access…

Machine Learning · Computer Science 2026-04-03 Hung Manh Pham , Jialu Tang , Aaqib Saeed , Dong Ma , Bin Zhu , Pan Zhou

An arrhythmia, also known as a dysrhythmia, refers to an irregular heartbeat. There are various types of arrhythmias that can originate from different areas of the heart, resulting in either a rapid, slow, or irregular heartbeat. An…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Taymaz Akan , Sait Alp , Mohammad Alfrad Nobel Bhuiyan

Objective. Arrhythmia classification from electrocardiograms (ECGs) suffers from high false positive rates and limited cross-dataset generalization, particularly for atrial fibrillation (AF) detection where specificity ranges from 0.72 to…

Machine Learning · Computer Science 2026-02-16 Tiezhi Wang , Wilhelm Haverkamp , Nils Strodthoff

Leveraging big data for patient care is promising in many medical fields such as cardiovascular health. For example, hemodynamic biomarkers like wall shear stress could be assessed from patient-specific medical images via machine learning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Julian Suk , Jolanda J. Wentzel , Patryk Rygiel , Joost Daemen , Daniel Rueckert , Jelmer M. Wolterink

Graphs are ubiquitous in various fields, and deep learning methods have been successful applied in graph classification tasks. However, building large and diverse graph datasets for training can be expensive. While augmentation techniques…

Machine Learning · Computer Science 2024-04-15 Andrea Ponti

Electroencephalography (EEG) classification techniques have been widely studied for human behavior and emotion recognition tasks. But it is still a challenging issue since the data may vary from subject to subject, may change over time for…

Signal Processing · Electrical Eng. & Systems 2020-09-14 Dashan Gao , Ce Ju , Xiguang Wei , Yang Liu , Tianjian Chen , Qiang Yang

We propose the Nonlinear Regression Convolutional Encoder-Decoder (NRCED), a novel framework for mapping a multivariate input to a multivariate output. In particular, we implement our algorithm within the scope of 12-lead surface…

Signal Processing · Electrical Eng. & Systems 2020-12-14 Anton Banta , Romain Cosentino , Mathews M John , Allison Post , Skyler Buchan , Mehdi Razavi , Behnaam Aazhang

Artificial intelligence has made great progress in medical data analysis, but the lack of robustness and trustworthiness has kept these methods from being widely deployed. As it is not possible to train networks that are accurate in all…

Machine Learning · Computer Science 2024-02-19 Christopher Wiedeman , Ge Wang

Automated analysis of 12-lead electrocardiogram (ECG) plays a crucial role in the early screening and management of cardiovascular diseases (CVDs). In practice, it is common to see multiple co-occurring cardiac disorders, i.e., multi-label…

Signal Processing · Electrical Eng. & Systems 2023-06-07 Eedara Prabhakararao , Samarendra Dandapt

An essential part for the accurate classification of electrocardiogram (ECG) signals is the extraction of informative yet general features, which are able to discriminate diseases. Cardiovascular abnormalities manifest themselves in…

Signal Processing · Electrical Eng. & Systems 2024-07-11 Maximilian P Oppelt , Maximilian Riehl , Felix P Kemeth , Jan Steffan