Left ventricular wall motion estimation by active polynomials for acute myocardial infarction detection

S Kiranyaz, A Degerli, T Hamid, R Mazhar… - IEEE …, 2020 - ieeexplore.ieee.org
Echocardiogram (echo) is the earliest and the primary tool for identifying regional wall
motion abnormalities (RWMA) in order to diagnose myocardial infarction (MI) or commonly …

Automatic computation of left ventricular volume changes over a cardiac cycle from echocardiography images by nonlinear dimensionality reduction

ZA Sani, A Shalbaf, H Behnam… - Journal of digital …, 2014 - pmc.ncbi.nlm.nih.gov
Curve of left ventricular (LV) volume changes throughout the cardiac cycle is a fundamental
parameter for clinical evaluation of various cardiovascular diseases. Currently, this …

Echocardiography without electrocardiogram using nonlinear dimensionality reduction methods

A Shalbaf, Z AlizadehSani, H Behnam - Journal of Medical Ultrasonics, 2015 - Springer
Purpose The aim of this study is to evaluate the efficiency of a new automatic image
processing technique, based on nonlinear dimensionality reduction (NLDR) to separate a …

Parametric-based feature selection via spherical harmonic coefficients for the left ventricle myocardial infarction screening

G Valizadeh, F Babapour Mofrad, A Shalbaf - Medical & Biological …, 2021 - Springer
Computer-aided diagnosis (CAD) of heart diseases using machine learning techniques has
recently received much attention. In this study, we present a novel parametric-based feature …

Left ventricular diastolic dysfunction in type 2 diabetes patients: A novel 2D strain analysis based on cardiac magnetic resonance imaging

Q Chen, Y Gan, ZY Li - Computer Methods in Biomechanics and …, 2016 - Taylor & Francis
Objective: This study was to develop a strain analysis method to evaluate the left ventricular
(LV) functions in type 2 diabetic patients with an asymptomatic LV diastolic dysfunction …

Detection of stage of lung changes in COVID-19 disease based on CT images: a radiomics approach

M Mehrpouyan, H Zamanian… - … Engineering Sciences in …, 2022 - Springer
The aim of this study is to classify patients suspected from COVID-19 to five stages as
normal, early, progressive, peak, and absorption stages using radiomics approach based on …

MRI-based strain and strain rate analysis of left ventricle: a modified hierarchical transformation model

Y Gan, Q Chen, S Zhang, S Ju, ZY Li - Biomedical engineering online, 2015 - Springer
Background Different from other indicators of cardiac function, such as ejection fraction and
transmitral early diastolic velocity, myocardial strain is promising to capture subtle alterations …

Automatic computation of left ventricular volume changes over a cardiac cycle from echocardiography images by nonlinear dimensionality reduction

Z Alizadeh Sani, A Shalbaf, H Behnam… - Journal of Digital …, 2015 - Springer
Curve of left ventricular (LV) volume changes throughout the cardiac cycle is a fundamental
parameter for clinical evaluation of various cardiovascular diseases. Currently, this …

Impacts of spherical harmonics shape descriptors on the inter-slice interpolation of MR images

G Valizadeh, FB Mofrad… - 2019 26th national and 4th …, 2019 - ieeexplore.ieee.org
One of the prevalent challenges in heart imaging via some 3D medical image modalities like
cine-MRI is the large voxel anisotropy in acquired short-axis slices. In fact, due to some of …

Cardiovascular magnetic resonance virtual tagging with B-spline-based free-form deformation

H Sagawa, T Miyati - Magnetic Resonance Imaging, 2021 - Elsevier
Purpose We developed a virtual tagging technique that reconstructs tagging images using
the displacement field obtained by applying B-spline free-form deformation (FFD) between …