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Echocardiography plays an important role in the screening and diagnosis of cardiovascular diseases. However, automated intelligent analysis of echocardiographic data remains challenging due to complex cardiac dynamics and strong view…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Peng Huang , Yiming Wang , Yineng Chen , Liangqiao Gui , Hui Guo , Bo Peng , Shu Hu , Xi Wu , Tsao Connie , Hongtu Zhu , Balakrishnan Prabhakaran , Xin Wang

Biomedical research is increasingly employing real world evidence (RWE) to foster discoveries of novel clinical phenotypes and to better characterize long term effect of medical treatments. However, due to limitations inherent in the…

Machine Learning · Computer Science 2022-03-15 Jamie Wallis , Andres Azqueta-Gavaldon , Thanusha Ananthakumar , Robert Dürichen , Luca Albergante

Purpose: Chest X-rays are essential for diagnosing pulmonary conditions, but limited access in resource-constrained settings can delay timely diagnosis. Electrocardiograms (ECGs), in contrast, are widely available, non-invasive, and often…

Signal Processing · Electrical Eng. & Systems 2025-09-23 Julia Matejas , Olaf Żurawski , Nils Strodthoff , Juan Miguel Lopez Alcaraz

Atrial Fibrillation (AF) is a heart's arrhythmia which, despite being often asymptomatic, represents an important risk factor for stroke, therefore being able to predict AF at the electrocardiogram exam, would be of great impact on actively…

Signal Processing · Electrical Eng. & Systems 2022-02-14 A. Scagnetto , G. Barbati , I. Gandin , C. Cappelletto , G. Baj , A. Cazzaniga , F. Cuturello , A. Ansuini , L. Bortolussi , A. Di Lenarda

Electroencephalography (EEG) and Natural Language Processing (NLP) can be applied for education to measure students' comprehension in classroom lectures; currently, the two measures have been used separately. In this work, we propose a…

Computation and Language · Computer Science 2023-11-21 Phantharach Natnithikarat , Theerawit Wilaiprasitporn , Supavit Kongwudhikunakorn

The electrocardiogram or ECG has been in use for over 100 years and remains the most widely performed diagnostic test to characterize cardiac structure and electrical activity. We hypothesized that parallel advances in computing power,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Geoffrey H. Tison , Jeffrey Zhang , Francesca N. Delling , Rahul C. Deo

In the realm of financial analytics, leveraging unstructured data, such as earnings conference calls (ECCs), to forecast stock volatility is a critical challenge that has attracted both academics and investors. While previous studies have…

Computational Engineering, Finance, and Science · Computer Science 2024-09-02 Yupeng Cao , Zhi Chen , Qingyun Pei , Nathan Jinseok Lee , K. P. Subbalakshmi , Papa Momar Ndiaye

Recognizing the need for explainable AI (XAI) approaches to enable the successful integration of AI-based ECG prediction models (AI-ECG) into clinical practice, we introduce a framework generating \textbf{Co}unter\textbf{F}actual…

Artificial Intelligence · Computer Science 2025-08-25 Jong-Hwan Jang , Junho Song , Yong-Yeon Jo

Heart failure (HF) poses a significant public health challenge, with a rising global mortality rate. Early detection and prevention of HF could significantly reduce its impact. We introduce a novel methodology for predicting HF risk using…

Quantitative Methods · Quantitative Biology 2025-06-19 Chen Chen , Lei Li , Marcel Beetz , Abhirup Banerjee , Ramneek Gupta , Vicente Grau

Left atrium shape has been shown to be an independent predictor of recurrence after atrial fibrillation (AF) ablation. Shape-based representation is imperative to such an estimation process, where correspondence-based representation offers…

In primary diagnosis and analysis of heart defects, an ECG signal plays a significant role. This paper presents a model for the prediction of ventricular tachycardia arrhythmia using noise filtering, a unique set of ECG features, and a…

Signal Processing · Electrical Eng. & Systems 2021-12-28 Pampa Howladar , Manodipan Sahoo

We propose two deep neural network architectures for classification of arbitrary-length electrocardiogram (ECG) recordings and evaluate them on the atrial fibrillation (AF) classification data set provided by the PhysioNet/CinC Challenge…

Machine Learning · Computer Science 2018-04-10 Martin Zihlmann , Dmytro Perekrestenko , Michael Tschannen

Electrocardiogram (ECG) is essential for the clinical diagnosis of arrhythmias and other heart diseases, but deep learning methods based on ECG often face limitations due to the need for high-quality annotations. Although previous ECG…

Machine Learning · Computer Science 2025-02-18 Jiarui Jin , Haoyu Wang , Hongyan Li , Jun Li , Jiahui Pan , Shenda Hong

Segmental longitudinal strain (SLS) of the left ventricle (LV) is an important prognostic indicator for evaluating regional LV dysfunction, in particular for diagnosing and managing myocardial ischemia. Current techniques for strain…

Causally-enabled machine learning frameworks could help clinicians to identify the best course of treatments by answering counterfactual questions. We explore this path for the case of echocardiograms by looking into the variation of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Hadrien Reynaud , Athanasios Vlontzos , Mischa Dombrowski , Ciarán Lee , Arian Beqiri , Paul Leeson , Bernhard Kainz

Left ventricular (LV) function is an important factor in terms of patient management, outcome, and long-term survival of patients with heart disease. The most recently published clinical guidelines for heart failure recognise that over…

In the evolving landscape of ECG signal analysis, the challenge of limited transparency in machine learning models remains a significant barrier to their effective integration into clinical practice. This study addresses this issue by…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Toygar Tanyel , Sezgin Atmaca , Kaan Gökçe , M. Yiğit Balık , Arda Güler , Emre Aslanger , İlkay Öksüz

Use of machine learning to estimate nuisance functions (e.g. outcomes models, propensity score models) in estimators used in causal inference is increasingly common, as it can mitigate bias due to model misspecification. However, it can be…

Methodology · Statistics 2025-07-17 Rachael K. Ross , Lina M. Montoya , Dana E. Goin , Ivan Diaz , Audrey Renson

Left ventricular ejection fraction (LVEF) is the most important clinical parameter of cardiovascular function. The accuracy in estimating this parameter is highly dependent upon the precise segmentation of the left ventricle (LV) structure…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Narjes Benameur , Ramzi Mahmoudi , Mohamed Deriche , Amira fayouka , Imene Masmoudi , Nessrine Zoghlami

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiac assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

Machine Learning · Computer Science 2025-08-04 Christopher Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria