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Estimating Left Ventricular Ejection Fraction (LVEF) from echocardiograms constitutes an ill-posed inverse problem. Inherent noise, artifacts, and limited viewing angles introduce ambiguity, where a single video sequence may map not to a…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Jinrong Lv , Xun Gong , Zhaohuan Li , Weili Jiang

Low left ventricular ejection fraction (LEF) frequently remains undetected until progression to symptomatic heart failure, underscoring the need for scalable screening strategies. Although artificial intelligence-enabled electrocardiography…

机器学习 · 计算机科学 2026-04-07 Ya Zhou , Tianxiang Hao , Ziyi Cai , Haojie Zhu , Kejun He , Jia Liu , Xiaohan Fan , Jing Yuan

Left ventricular ejection fraction (LVEF) is a key indicator of cardiac function and plays a central role in the diagnosis and management of cardiovascular disease. Echocardiography, as a readily accessible and non-invasive imaging…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Shravan Saranyan , Pramit Saha

Echocardiography is a cornerstone for managing heart failure (HF), with Left Ventricular Ejection Fraction (LVEF) being a critical metric for guiding therapy. However, manual LVEF assessment suffers from high inter-observer variability,…

图像与视频处理 · 电气工程与系统科学 2026-05-26 Jyun-Ping Kao , Jiaxin Yang , C. -C. Jay Kuo , Jonghye Woo

Accurate LVEF measurement is important in clinical practice as it identifies patients who may be in need of life-prolonging treatments. This paper presents a deep learning based framework to automatically estimate left ventricular ejection…

图像与视频处理 · 电气工程与系统科学 2023-04-18 Meghan Muldoon , Naimul Khan

The echocardiographic measurement of left ventricular ejection fraction (LVEF) is fundamental to the diagnosis and classification of patients with heart failure (HF). In order to quantify LVEF automatically and accurately, this paper…

Early detection of cardiac dysfunction through routine screening is vital for diagnosing cardiovascular diseases. An important metric of cardiac function is the left ventricular ejection fraction (EF), where lower EF is associated with…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Ece Ozkan , Thomas M. Sutter , Yurong Hu , Sebastian Balzer , Julia E. Vogt

Learning spatiotemporal features is an important task for efficient video understanding especially in medical images such as echocardiograms. Convolutional neural networks (CNNs) and more recent vision transformers (ViTs) are the most…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Rand Muhtaseb , Mohammad Yaqub

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…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Guanqi Chen , Guanbin Li

The left ventricular of ejection fraction is one of the most important metric of cardiac function. It is used by cardiologist to identify patients who are eligible for lifeprolonging therapies. However, the assessment of ejection fraction…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Lhuqita Fazry , Asep Haryono , Nuzulul Khairu Nissa , Sunarno , Naufal Muhammad Hirzi , Muhammad Febrian Rachmadi , Wisnu Jatmiko

Objective To develop a robust and computationally efficient deep learning model for automated left ventricular ejection fraction (LVEF) estimation from echocardiography videos that is suitable for real-time point-of-care ultrasound (POCUS)…

图像与视频处理 · 电气工程与系统科学 2026-03-17 Moein Heidari , Afshin Bozorgpour , AmirHossein Zarif-Fakharnia , Wenjin Chen , Dorit Merhof , David J Foran , Jasmine Grewal , Ilker Hacihaliloglu

Continuous electroencephalography (EEG) is routinely used in neurocritical care to monitor seizures and other harmful brain activity, including rhythmic and periodic patterns that are clinically significant. Although deep learning methods…

人机交互 · 计算机科学 2026-01-05 Argha Kamal Samanta , Deepak Mewada , Monalisa Sarma , Debasis Samanta

Left-ventricular ejection fraction (LVEF) is an important indicator of heart failure. Existing methods for LVEF estimation from video require large amounts of annotated data to achieve high performance, e.g. using 10,030 labeled…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Weihang Dai , Xiaomeng Li , Xinpeng Ding , Kwang-Ting Cheng

Cardiovascular diseases, including Heart Failure (HF), remain a leading global cause of mortality, often evading early detection. In this context, accessible and effective risk assessment is indispensable. Traditional approaches rely on…

信号处理 · 电气工程与系统科学 2024-03-26 Sergio González , Abel Ko-Chun Yi , Wan-Ting Hsieh , Wei-Chao Chen , Chun-Li Wang , Victor Chien-Chia Wu , Shang-Hung Chang

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…

In this work, we address the challenge of adaptive pediatric Left Ventricular Ejection Fraction (LVEF) assessment. While Test-time Training (TTT) approaches show promise for this task, they suffer from two significant limitations. Existing…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Jie Liu , Tiexin Qin , Hui Liu , Yilei Shi , Lichao Mou , Xiao Xiang Zhu , Shiqi Wang , Haoliang 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.…

人工智能 · 计算机科学 2026-05-26 Elias Stenhede , Eivind Bjørkan Orstad , Torbjørn Omland , Henrik Schirmer , Arian Ranjbar

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…

Recent advancements in early assessment of pulmonary hypertension (PH) primarily focus on applying machine learning methods to centralized diagnostic modalities, such as 12-lead electrocardiogram (12L-ECG). Despite their potential, these…

信号处理 · 电气工程与系统科学 2025-09-09 Mohammod N. I. Suvon , Shuo Zhou , Prasun C. Tripathi , Wenrui Fan , Samer Alabed , Bishesh Khanal , Venet Osmani , Andrew J. Swift , Chen , Chen , Haiping Lu

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…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Masoud Mokhtari , Neda Ahmadi , Teresa S. M. Tsang , Purang Abolmaesumi , Renjie Liao
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