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The cardiologist's main tool for measuring systolic heart failure is left ventricular ejection fraction (LVEF). Trained cardiologist's report both a visual and machine-guided measurement of LVEF, but only use this machine-guided measurement…

Ultrasound (US) imaging is a critical tool in medical diagnostics, offering real-time visualization of physiological processes. One of its major advantages is its ability to capture temporal dynamics, which is essential for assessing motion…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Yves Stebler , Thomas M. Sutter , Ece Ozkan , Julia E. Vogt

Synthetic data generation represents a significant advancement in boosting the performance of machine learning (ML) models, particularly in fields where data acquisition is challenging, such as echocardiography. The acquisition and labeling…

Machine Learning · Computer Science 2025-08-28 Nima Kondori , Hanwen Liang , Hooman Vaseli , Bingyu Xie , Christina Luong , Purang Abolmaesumi , Teresa Tsang , Renjie Liao

Echocardiography is widely used for assessing cardiac function, where clinically meaningful parameters such as left-ventricular ejection fraction (EF) play a central role in diagnosis and management. Generative models capable of…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Emmanuel Oladokun , Sarina Thomas , Jurica Šprem , Vicente Grau

The purpose of the study presented herein is to develop a machine learning algorithm based on natural language processing that automatically detects whether a patient has a cardiac failure or a healthy condition by using physician notes in…

Computation and Language · Computer Science 2021-12-22 Thanh-Dung Le , Rita Noumeir , Jerome Rambaud , Guillaume Sans , Philippe Jouvet

This manuscript proposes a novel methodology for developing an interpretable prediction model for irregular Electrocardiogram (ECG) classification, using features extracted by a 1-D Deconvolutional Neural Network (1-D DNN). Given the…

Applications · Statistics 2024-10-17 Giacomo Lancia , Cristian Spitoni

Cardiac function assessment aims at predicting left ventricular ejection fraction (LVEF) given an echocardiogram video, which requests models to focus on the changes in the left ventricle during the cardiac cycle. How to assess cardiac…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Guanqi Chen , Guanbin Li

Cardiovascular disease accounts for 1 in every 4 deaths in United States. Accurate estimation of structural and functional cardiac parameters is crucial for both diagnosis and disease management. In this work, we develop an ensemble…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Jiasha Liu , Xiang Li , Hui Ren , Quanzheng Li

Artificial intelligence-enabled electrocardiography (AI-ECG) can detect heart failure (HF), including disease not captured by left ventricular ejection fraction (LVEF), but the cardiac phenotypes underlying model predictions remain unclear.…

Artificial Intelligence · Computer Science 2026-05-26 Elias Stenhede , Eivind Bjørkan Orstad , Torbjørn Omland , Henrik Schirmer , Arian Ranjbar

Heart failure (HF) is a major cause of mortality. Accurately monitoring HF progress and adjust therapies are critical for improving patient outcomes. An experienced cardiologist can make accurate HF stage diagnoses based on combination of…

Machine Learning · Computer Science 2021-03-23 Shuyu Lu , Ruoyu Chen , Wei Wei , Xinghua Lu

Left ventricular hypertrophy (LVH) results from chronic remodeling caused by a broad range of systemic and cardiovascular disease including hypertension, aortic stenosis, hypertrophic cardiomyopathy, and cardiac amyloidosis. Early detection…

Electrocardiography (ECG) is a low-cost, widely used modality for diagnosing electrical abnormalities like atrial fibrillation by capturing the heart's electrical activity. However, it cannot directly measure cardiac morphological…

Machine Learning · Computer Science 2026-03-10 Michelle Espranita Liman , Özgün Turgut , Alexander Müller , Eimo Martens , Daniel Rueckert , Philip Müller

Ventricular Fibrillation (VF), one of the most dangerous arrhythmias, is responsible for sudden cardiac arrests. Thus, various algorithms have been developed to predict VF from Electrocardiogram (ECG), which is a binary classification…

Machine Learning · Computer Science 2019-03-13 Nabil Ibtehaz , M. Saifur Rahman , M. Sohel Rahman

Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, characterised by a rapid and irregular electrical activation of the atria. Treatments for AF are often ineffective and few atrial biomarkers exist to automatically…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 Ana Lourenço , Eric Kerfoot , Connor Dibblin , Ebraham Alskaf , Mustafa Anjari , Anil A Bharath , Andrew P King , Henry Chubb , Teresa M Correia , Marta Varela

Purpose: Echocardiographic interpretation requires video-level reasoning and guideline-based measurement analysis, which current deep learning models for cardiac ultrasound do not support. We present EchoAgent, a framework that enables…

Electrocardiogram (ECG) is a widely used tool for assessing cardiac function due to its low cost and accessibility. Emergent research shows that ECGs can help make predictions on key outcomes traditionally derived from more complex…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yuan Gao , Sangwook Kim , Chris McIntosh

Objective: To develop and interpret a supervised variational autoencoder (VAE) model for classifying cardiotocography (CTG) signals based on pregnancy outcomes, addressing interpretability limits of current deep learning approaches.…

Machine Learning · Computer Science 2025-09-09 John Tolladay , Beth Albert , Gabriel Davis Jones

Deep learning (DL) models have been advancing automatic medical image analysis on various modalities, including echocardiography, by offering a comprehensive end-to-end training pipeline. This approach enables DL models to regress ejection…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Fadillah Adamsyah Maani , Numan Saeed , Aleksandr Matsun , Mohammad Yaqub

Echocardiography is a vital non-invasive modality for cardiac assessment, with left ventricular ejection fraction (LVEF) serving as a key indicator of heart function. Existing LVEF estimation methods depend on large-scale annotated video…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yao Du , Jiarong Guo , Xiaomeng Li

Echocardiography (echo) is an ultrasound imaging modality that is widely used for various cardiovascular diagnosis tasks. Due to inter-observer variability in echo-based diagnosis, which arises from the variability in echo image acquisition…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Masoud Mokhtari , Neda Ahmadi , Teresa S. M. Tsang , Purang Abolmaesumi , Renjie Liao