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Background: The assessment of left ventricular (LV) function by myocardial perfusion SPECT (MPS) relies on accurate myocardial segmentation. The purpose of this paper is to develop and validate a new method incorporating deep learning with…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Fubao Zhu , Jinyu Zhao , Chen Zhao , Shaojie Tang , Jiaofen Nan , Yanting Li , Zhongqiang Zhao , Jianzhou Shi , Zenghong Chen , Zhixin Jiang , Weihua Zhou

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…

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,…

Image and Video Processing · Electrical Eng. & Systems 2026-05-26 Jyun-Ping Kao , Jiaxin Yang , C. -C. Jay Kuo , Jonghye Woo

Following the successful application of the U-Net to medical images, there have been different encoder-decoder models proposed as an improvement to the original U-Net for segmenting echocardiographic images. This study aims to examine the…

Image and Video Processing · Electrical Eng. & Systems 2020-03-18 Neda Azarmehr , Xujiong Ye , Faraz Janan , James P Howard , Darrel P Francis , Massoud Zolgharni

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

Cardiac imaging known as echocardiography is a non-invasive tool utilized to produce data including images and videos, which cardiologists use to diagnose cardiac abnormalities in general and myocardial infarction (MI) in particular.…

Image and Video Processing · Electrical Eng. & Systems 2022-08-05 Oumaima Hamila , Sheela Ramanna , Christopher J. Henry , Serkan Kiranyaz , Ridha Hamila , Rashid Mazhar , Tahir Hamid

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

Cardiovascular diseases, particularly heart failure, are a leading cause of death globally. The early detection of heart failure through routine echocardiogram screenings is often impeded by the high cost and labor-intensive nature of these…

Image and Video Processing · Electrical Eng. & Systems 2024-01-12 Ethan Thomas , Salman Aslam

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

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…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Ece Ozkan , Thomas M. Sutter , Yurong Hu , Sebastian Balzer , Julia E. Vogt

This study develops a Convolutional Neural Network (CNN) model for detecting myocardial infarction (MI) from Electrocardiogram (ECG) images. The model, built using the InceptionV3 architecture and optimized through transfer learning, was…

Echocardiography is essential to modern cardiology. However, human interpretation limits high throughput analysis, limiting echocardiography from reaching its full clinical and research potential for precision medicine. Deep learning is a…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 Ali Madani , Ramy Arnaout , Mohammad Mofrad , Rima Arnaout

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

Accurate segmentation of the heart is an important step towards evaluating cardiac function. In this paper, we present a fully automated framework for segmentation of the left (LV) and right (RV) ventricular cavities and the myocardium…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Christian F. Baumgartner , Lisa M. Koch , Marc Pollefeys , Ender Konukoglu

2D echocardiography is the most common imaging modality for cardiovascular diseases. The portability and relatively low-cost nature of Ultrasound (US) enable the US devices needed for performing echocardiography to be made widely available.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Lavsen Dahal , Aayush Kafle , Bishesh Khanal

Delineation of the cardiac structures from 2D echocardiographic images is a common clinical task to establish a diagnosis. Over the past decades, the automation of this task has been the subject of intense research. In this paper, we…

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…

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

Segmentation of the Left ventricle (LV) is a crucial step for quantitative measurements such as area, volume, and ejection fraction. However, the automatic LV segmentation in 2D echocardiographic images is a challenging task due to…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Shakiba Moradi , Mostafa Ghelich-Oghli , Azin Alizadehasl , Isaac Shiri , Niki Oveisi , Mehrdad Oveisi , Majid Maleki , Jan Dhooge

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