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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

Heart failure remains a major public health challenge with growing costs. Ejection fraction (EF) is a key metric for the diagnosis and management of heart failure however estimation of EF using echocardiography remains expensive for the…

Image and Video Processing · Electrical Eng. & Systems 2022-12-26 Walt Williams , Rohan Doshi , Yanran Li , Kexuan Liang

Recently, machine learning has been successfully applied to model-based left ventricle (LV) segmentation. The general framework involves two stages, which starts with LV localization and is followed by boundary delineation. Both are driven…

Computer Vision and Pattern Recognition · Computer Science 2015-07-29 Peng Sun , Haoyin Zhou , Devon Lundine , James K. Min , Guanglei Xiong

Cardiovascular disease (CVD) persists as a primary cause of death on a global scale, which requires more effective and timely detection methods. Traditional supervised learning approaches for CVD detection rely heavily on large-labeled…

Quantitative Methods · Quantitative Biology 2024-12-17 Shaohan Chen , Zheyan Liu , Huili Zheng , Qimin Zhang , Yiru Gong

Single-Photon Emission Computed Tomography (SPECT) left ventricular assessment protocols are important for detecting ischemia in high-risk patients. To quantitatively measure myocardial function, clinicians depend on commercially available…

Image and Video Processing · Electrical Eng. & Systems 2024-05-10 Ádám István Szűcs , Béla Kári , Oszkár Pártos

Automated segmentation of the left ventricular endocardium in echocardiography videos is a key research area in cardiology. It aims to provide accurate assessment of cardiac structure and function through Ejection Fraction (EF) estimation.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Dongfang Wang , Jian Yang , Yizhe Zhang , Tao Zhou

Objective: This paper proposes a novel approach for automatic left ventricle (LV) quantification using convolutional neural networks (CNN). Methods: The general framework consists of one CNN for detecting the LV, and another for tissue…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Ariel H. Curiale , Flavio D. Colavecchia , German Mato

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)…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Moein Heidari , Afshin Bozorgpour , AmirHossein Zarif-Fakharnia , Wenjin Chen , Dorit Merhof , David J Foran , Jasmine Grewal , Ilker Hacihaliloglu

Accurate and efficient quantification of cardiac function is essential for the estimation of prognosis of cardiovascular diseases (CVDs). One of the most commonly used metrics for evaluating cardiac pumping performance is left ventricular…

Cardiac left ventricle (LV) quantification provides a tool for diagnosing cardiac diseases. Automatic calculation of all relevant LV indices from cardiac MR images is an intricate task due to large variations among patients and deformation…

Image and Video Processing · Electrical Eng. & Systems 2020-02-04 Nils Gessert , Alexander Schlaefer

The segmentation of the left ventricle (LV) from CINE MRI images is essential to infer important clinical parameters. Typically, machine learning algorithms for automated LV segmentation use annotated contours from only two cardiac phases,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Nicoló Savioli , Miguel Silva Vieira , Pablo Lamata , Giovanni Montana

Segmenting internal structure from echocardiography is essential for the diagnosis and treatment of various heart diseases. Semi-supervised learning shows its ability in alleviating annotations scarcity. While existing semi-supervised…

Image and Video Processing · Electrical Eng. & Systems 2024-12-03 Xiaoxiang Han , Yiman Liu , Jiang Shang , Qingli Li , Jiangang Chen , Menghan Hu , Qi Zhang , Yuqi Zhang , Yan Wang

Cardiac Output (CO) is a key parameter in the diagnosis and management of cardiovascular diseases. However, its accurate measurement requires right-heart catheterization, an invasive and time-consuming procedure, motivating the development…

Non-invasive and cost effective in nature, the echocardiogram allows for a comprehensive assessment of the cardiac musculature and valves. Despite progressive improvements over the decades, the rich temporally resolved data in…

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

Ejection fraction (EF) is a crucial metric for assessing cardiac function and diagnosing conditions such as heart failure. Traditionally, EF estimation requires manual tracing and domain expertise, making the process time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Yeganeh Ghamary , Victoria Wu , Hooman Vaseli , Christina Luong , Teresa Tsang , Siavash Bigdeli , Purang Abolmaesumi

Accurate and consistent predictions of echocardiography parameters are important for cardiovascular diagnosis and treatment. In particular, segmentations of the left ventricle can be used to derive ventricular volume, ejection fraction (EF)…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Sarina Thomas , Andrew Gilbert , Guy Ben-Yosef

The label scarcity problem is the main challenge that hinders the wide application of deep learning systems in automatic cardiovascular diseases (CVDs) detection using electrocardiography (ECG). Tuning pre-trained models alleviates this…

Machine Learning · Computer Science 2024-11-18 Rushuang Zhou , Lei Clifton , Zijun Liu , Kannie W. Y. Chan , David A. Clifton , Yuan-Ting Zhang , Yining Dong

Accurate segmentation of the Left Ventricle (LV) holds substantial importance due to its implications in disease detection, regional analysis, and the development of complex models for cardiac surgical planning. CMR is a golden standard for…

Image and Video Processing · Electrical Eng. & Systems 2024-07-31 Maria Tamoor , Abbas Raza Ali , Philemon Philip , Ruqqayia Adil , Rabia Shahid , Asma Naseer

Purpose: Echocardiography is commonly used as a non-invasive imaging tool in clinical practice for the assessment of cardiac function. However, delineation of the left ventricle is challenging due to the inherent properties of ultrasound…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Deepa Krishnaswamy , Abhilash R. Hareendranathan , Tan Suwatanaviroj , Pierre Boulanger , Harald Becher , Michelle Noga , Kumaradevan Punithakumar