نتایج جستجو برای: brain magnetic resonance image
تعداد نتایج: 1182367 فیلتر نتایج به سال:
background access to appropriate images of fetal brain can greatly assist to diagnose of probable abnormalities. the aim of this study was to compare the suitability of t2-true fast imaging with steady state free precession (t2-trufi), and t2-half-fourier acquisition single-shot turbo spin-echo (t2- haste( magnetic resonance imaging (mri) to extract the fetal brain using the level set algorithm...
Introduction: Bacterial meningitis is an acute infectious inflammation of the protective membranes covering the brain. Its early diagnosis is vital because of its high morbidity and mortality. It is mostly diagnosed by a gold standard diagnostic tool i.e. Cerebrospinal Fluid (CSF) analysis. However, it is sometimes difficult and or impossible to do this procedure and an alternative diagnostic t...
Introduction: Brain tumors such as glioma are among the most aggressive lesions, which result in a very short life expectancy in patients. Image segmentation is highly essential in medical image analysis with applications, particularly in clinical practices to treat brain tumors. Accurate segmentation of magnetic resonance data is crucial for diagnostic purposes, planning surgical treatments, a...
a 20-year-old woman was admitted to a gynecology hospital in her 6th month of pregnancy for high blood pressure and tonic-clonic seizure. primary diagnosis was eclampsia, and for that reason she underwent cesarean section. she also had headache on frontal and parietal areas without nausea or vomiting. there was not a focal neurological sign. rheumatology consultation was requested. systemic lup...
An image of increased signal intensity on T2-weighted images in the central area globus pallidus (caused by necrosis and edema) surrounded a zone reduced (representing iron deposits) brain magnetic resonance is called eye tiger sign.
Background Access to appropriate images of fetal brain can greatly assist to diagnose of probable abnormalities. The aim of this study was to compare the suitability of T2-True Fast Imaging with Steady State Free Precession (T2-TRUFI), and T2-Half-Fourier Acquisition Single-Shot Turbo Spin-Echo (T2- HASTE( magnetic resonance imaging (MRI) to extract the fetal brain using the level set algorithm...
Introduction: Brain tumors such as glioma are among the most aggressive lesions, which result in a very short life expectancy in patients. Image segmentation is highly essential in medical image analysis with applications, particularly in clinical practices to treat brain tumors. Accurate segmentation of magnetic resonance data is crucial for diagnostic purposes, planning surgical treatments, a...
From the past decade, many researchers are focused on brain tumor detection mechanism using magnetic resonance images. The traditional approaches follow feature extraction process from bottom layer in network. This scenario is not suitable to medical To address this issue, proposed model employed Inception-v3 convolution neural network which a deep learning mechanism. extracts multi-level featu...
Compressed sensing and magnetic resonance imaging are hot topics in the field of signal processing. In this study we introduced in Lustig’s variable density sampling method, integrated it to compressed sensing, and applied it to brain MRI acquisition. The realistic experiment shows the variable density sampling recovery better than traditional random sampling method on a 256x256 brain magnetic ...
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