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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

Radiological imaging offers effective measurement of anatomy, which is useful in disease diagnosis and assessment. Previous study has shown that the left atrial wall remodeling can provide information to predict treatment outcome in atrial…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Shuman Jia , Antoine Despinasse , Zihao Wang , Hervé Delingette , Xavier Pennec , Pierre Jaïs , Hubert Cochet , Maxime Sermesant

Left ventricular segmentation is essential for measuring left ventricular function indices. Segmentation of one or several images requires an initial guess of the contour. It is hypothesized here that creating an initial guess by first…

Computer Vision and Pattern Recognition · Computer Science 2015-10-13 Yael Petrank , Nahum Smirin , Yossi Tsadok , Zvi Friedman , Peter Lysiansky , Dan Adam

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

Two-dimensional echocardiography (2DE) measurements of left ventricle (LV) dimensions are highly significant markers of several cardiovascular diseases. These measurements are often used in clinical care despite suffering from large…

Image and Video Processing · Electrical Eng. & Systems 2019-11-07 Andrew Gilbert , Marit Holden , Line Eikvil , Svein Arne Aase , Eigil Samset , Kristin McLeod

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

Segmentation of cardiac structures is one of the fundamental steps to estimate volumetric indices of the heart. This step is still performed semi-automatically in clinical routine, and is thus prone to inter- and intra-observer variability.…

Medical image analysis, especially segmenting a specific organ, has an important role in developing clinical decision support systems. In cardiac magnetic resonance (MR) imaging, segmenting the left and right ventricles helps physicians…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Mina Nasr-Esfahani , Majid Mohrekesh , Mojtaba Akbari , S. M. Reza Soroushmehr , Ebrahim Nasr-Esfahani , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

Medical image segmentation is one of the important tasks of computer-aided diagnosis in medical image analysis. Since most medical images have the characteristics of blurred boundaries and uneven intensity distribution, through existing…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Sixing Yin , Yameng Han , Shufang Li

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…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Meghan Muldoon , Naimul Khan

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

Left ventricle (LV) segmentation is critical for clinical quantification and diagnosis of cardiac images. In this work, we propose two novel deep learning architectures called LNU-Net and IBU-Net for left ventricle segmentation from…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Wenhui Chu , Nikolaos V. Tsekos

Cardiac MR image segmentation is essential for the morphological and functional analysis of the heart. Inspired by how experienced clinicians assess the cardiac morphology and function across multiple standard views (i.e. long- and…

Image and Video Processing · Electrical Eng. & Systems 2019-12-18 Chen Chen , Carlo Biffi , Giacomo Tarroni , Steffen Petersen , Wenjia Bai , Daniel Rueckert

We present a novel automated method to segment the myocardium of both left and right ventricles in MRI volumes. The segmentation is consistent in 3D across the slices such that it can be directly used for mesh generation. Two specific…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Qiao Zheng , Hervé Delingette , Nicolas Duchateau , Nicholas Ayache

Accurate delineation of the left ventricle (LV) is an important step in evaluation of cardiac function. In this paper, we present an automatic method for segmentation of the LV in cardiac CT angiography (CCTA) scans. Segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Majd Zreik , Tim Leiner , Bob D. de Vos , Robbert W. van Hamersvelt , Max A. Viergever , Ivana Isgum

Manual segmentation of the Left Ventricle (LV) is a tedious and meticulous task that can vary depending on the patient, the Magnetic Resonance Images (MRI) cuts and the experts. Still today, we consider manual delineation done by experts as…

Computer Vision and Pattern Recognition · Computer Science 2018-01-09 Alexandre Attia , Sharone Dayan

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

Segmentation of the left ventricle (LV) from cardiac magnetic resonance imaging (MRI) datasets is an essential step for calculation of clinical indices such as ventricular volume and ejection fraction. In this work, we employ deep learning…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 M. R. Avendi , A. Kheradvar , H. Jafarkhani

One of the first steps in the diagnosis of most cardiac diseases, such as pulmonary hypertension, coronary heart disease is the segmentation of ventricles from cardiac magnetic resonance (MRI) images. Manual segmentation of the right…

Image and Video Processing · Electrical Eng. & Systems 2019-08-22 Yaman Dang , Deepak Anand , Amit Sethi

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
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