Exploració per tema "Magnetic resonance imaging"
Ara es mostren els items 1-20 de 33
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A comparison of non-negative matrix underapproximation methods for the decomposition of magnetic resonance spectroscopy data from human brain tumors
(John Wiley & sons, 2023-12)
Article
Accés obertMagnetic resonance spectroscopy (MRS) is an MR technique that provides informa-tion about the biochemistry of tissues in a noninvasive way. MRS has been widelyused for the study of brain tumors, both preoperatively and ... -
Advances in the use of deep learning for the analysis of magnetic resonance image in neuro-oncology
(Multidisciplinary Digital Publishing Institute (MDPI), 2024-01-10)
Article
Accés obertMachine Learning is entering a phase of maturity, but its medical applications still lag behind in terms of practical use. The field of oncological radiology (and neuro-oncology in particular) is at the forefront of these ... -
Analysis of bone mineral and organic density by novel MRI technology: preparation and calibration of organic & mineral phantoms
(Universitat Politècnica de Catalunya, 2018)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
Application of a Mamdani-type fuzzy rule-based system to segment periventricular cerebral veins in susceptibility-weighted images
(Springer, 2016)
Text en actes de congrés
Accés obertThis paper presents an algorithm designed to segment veins in the periventricular region of the brain in susceptibility-weighted magnetic resonance images. The proposed algorithm is based on a Mamdani-type fuzzy rule-based ... -
Assessment of 2D conventional and synthetic MRI in multiple sclerosis
(Springer Nature, 2022-01-01)
Article
Accés obertPurpose: To qualitatively and quantitatively compare synthetic and conventional MRI sequences acquired on a 1.5-T system for patients with multiple sclerosis (MS). Methods: Prospective study that involved twenty-seven ... -
Automated segmentation of the left atrium from MRI cardiac images
(Universitat Politècnica de Catalunya, 2021-04-26)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Universitat de Barcelona / Universitat Rovira i Virgili / Hospital Clínic i Provincial de BarcelonaAbnormalities of cardiac rhythm are associated with substantial morbidity and economic costs. Atrial Fibrillation is the most common cardiac electrophysiology disorder worldwide affecting around 2.3 million people just in ... -
Brain Age Prediction from Structural Magnetic Resonance Imaging using Deep Learning
(Universitat Politècnica de Catalunya, 2023-07-07)
Projecte Final de Màster Oficial
Accés obertBrain-age delta, a biomarker based on the brain-age prediction from neuroimaging data, has garnered significant attention in recent years. In this project, a deep learning model for brain age prediction is going to be ... -
Classification of multiple sclerosis clinical forms by 1H magnetic ressonance spectroscopy of cerebrospinal fluid
(2010)
Comunicació de congrés
Accés obert -
Colonic content assessment from MRI imaging using a semi-automatic approach
(European Association for Computer Graphics (Eurographics), 2019)
Text en actes de congrés
Accés obertThe analysis of the morphology and content of the gut is necessary in order to achieve a better understanding of its metabolic and functional activity. Magnetic resonance imaging (MRI) has become an important imaging ... -
Comparison between gadolinium-enhanced 2D T1-weighted gradient-echo and spin-echo sequences in the detection of active multiple sclerosis lesions on 3.0T MRI
(2017-04-01)
Article
Accés obertObjectives To compare the sensitivity of enhancing multiple sclerosis (MS) lesions in gadolinium-enhanced 2D T1-weighted gradient-echo (GRE) and spin-echo (SE) sequences, and to assess the influence of visual conspicuity ... -
Design and Simulation of a Birdcage Coil using CST Studio Suite for Application at 7T
(Universitat Politècnica de Catalunya, 2013-02)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Beijing gong ye xue yuan[ANGLÈS] This work describes the study of coil for Magnetic Resonance Imaging (MRI) application. Concretely, the principal objective is the design of a birdcage coil (RF coil) to use in a 7 Tesla scanner. More strength ... -
Dynamic characterization of blood flow through the cerebral artery circle by magnetic resonance imaging
(Universitat Politècnica de Catalunya, 2020-07-23)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorPediatric cerebral vascular diseases are still relatively unknown and have severe consequences at prognostic level. There is currently a lack of quantifiable measures to asses the diagnosis of these diseases, and this ... -
Early prediction of Alzheimer's disease using null longitudinal model-based classifiers
(2017-01-03)
Article
Accés obertIncipient Alzheimer’s Disease (AD) is characterized by a slow onset of clinical symptoms, with pathological brain changes starting several years earlier. Consequently, it is necessary to first understand and differentiate ... -
Effects of duloxetine treatment on brain response to painful stimulation in major depressive disorder
(2010-07-28)
Article
Accés restringit per política de l'editorialMajor depressive disorder (MDD) is characterized by a constellation of affective, cognitive, and somatic symptoms associated with functional abnormalities in relevant brain systems. Painful stimuli are primarily stressful ... -
End to end colonic content assessment: colonMetry application
(2023-02-28)
Article
Accés obertThe analysis of colonic contents is a valuable tool for the gastroenterologist and has multiple applications in clinical routine. When considering magnetic resonance imaging (MRI) modalities, T2 weighted images are capable ... -
Estudio de la medida de bioimpedancia localizada, en la fatiga muscular, con un analizador de fase sensible
(Universitat Politècnica de Catalunya, 2014-06)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Estudio longitudinal mediante imagen de RM para el análisis de la atrofia de la médula cervical en pacientes de esclerosis múltiple
(2016)
Article
Accés restringit per política de l'editorial -
Fluid–structure interaction simulations outperform computational fluid dynamics in the description of thoracic aorta haemodynamics and in the differentiation of progressive dilation in Marfan syndrome patients
(The Royal Society, 2020-02)
Article
Accés obertAbnormal fluid dynamics at the ascending aorta may be at the origin of aortic aneurysms. This study was aimed at comparing the performance of computational fluid dynamics (CFD) and fluid–structure interaction (FSI) simulations ... -
Fuzzy approach to grade gliomas using susceptibility-weighted images. A preliminary study
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertThis paper describes a method to grade gliomas examined by magnetic resonance imaging. It is a preliminary study focused only on the features extracted from susceptibility-weighted images. The ... -
Fuzzy approach toward reducing false positives in the detection of small multiple sclerosis lesions in magnetic resonance images
(2011)
Text en actes de congrés
Accés restringit per política de l'editorial