Magnetic Image
Mostrando 37-48 de 156 artigos, teses e dissertações.
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37. Management of a parotid sialocelein a young patient: case report and literature review
Sialocele is a subcutaneous cavity containing saliva, caused by trauma or infection in the parotid gland parenchyma, laceration of the parotid duct or ductal stenosis with subsequent dilatation. It is characterized by an asymptomatic soft and mobile swelling on the parotid region. Imaging studies are useful and help establishing the diagnosis, such as sialog
Journal of Applied Oral Science. Publicado em: 2010-08
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38. Schistosoma mansoni: magnetic resonance analysis of liver fibrosis according to WHO patterns for ultrasound assessment of schistosomiasis-related morbidity
For the last two decades, ultrasound (US) has been considered a surrogate for the gold standard in the evaluation of liver fibrosis in schistosomiasis. The use of magnetic resonance imaging (MRI) is not yet standardised for diagnosing and grading liver schistosomal fibrosis. The aim of this paper was to analyse MRI using an adaptation of World Health Organiz
Memórias do Instituto Oswaldo Cruz. Publicado em: 2010-07
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39. Human brain magnetic resonance-image segmentation and its evaluation / Segmentação de tecidos do cerebro humano em imagens de ressonancia magnetica e sua avaliação
Segmentation of brain tissues from MR-images has become crucial to advance research, diagnosis and treatment in Neurology. Despite the large number of contributions, brain tissue segmentation is still a challenge, due to problems in image acquisition, large data sets, and anatomical variations caused by surgery, pathologies and differences in sex and age. An
Publicado em: 2010
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40. Integrando sistemas de auxílio ao diagnóstico no sistema gerenciador de imagens médicas / Integrating computer-aided diagnosis systems into the picture archiving and communication system
The technology evolution seen in the last years provided large adoption of digital image acquisition equipments, such as: X-rays, computed tomography, magnetic resonance and ultrasound. The use of these devices in daily hospital routine generates an expressive image data volume which demands intelligent solutions for image storage, distribution and visualiza
Publicado em: 2010
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41. A evolução tecnológica como interfência na linguagem televisual : o percurso da edição no telejornalismo da TV Coroados
This paper investigates the evolution of the technology used in the edition of TV newcasts aired by Coroados TV, one of the oldest stations in the interior of Brazil and an affiliate of Rede Globo de Televisão. To accomplish this goal, this paper studies the three most important phases of the evolution the period of 16 mm film, the use of magnetic tape a
Publicado em: 2010
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42. Conectividade funcional por imageamento de ressonância magnética (MRI) em pacientes com epilepsia de lobo temporal mesial (ELTM) / Functional conectivity using magnetic resonance image (MRI) in patients with mesial temporal lobe epilepsy (MTLE)
Um número crescente de estudos sobre conectividade cerebral tem-se destacado na área da Neurociência. Esses estudos almejam entender como diferentes regiões no cérebro estão relacionadas. Para isso, diversas técnicas podem ser empregadas, dentre elas, a ressonância magnética funcional (fMRI). Baseada no sinal BOLD (Blood Oxigenation Level Dependence
Publicado em: 2010
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43. Relação dos pontos-chave cirúrgicos no crânio com áreas eloquëntes detectadas por ressonância magnética funcional / Relation of surgical key-points in skull with eloquent areas detected by functional magnetic resonance
Neuroimaging studies have a pivotal role in pre-surgical assessment of patients with brain lesions. Magnetic Resonance Imaging (MRI) and Computerized Tomography (CT) are established techniques providing anatomic information of the lesion and surrounding areas. Functional MRI (fMRI) is a recent method applied to probe brain function via hemodynamic response o
Publicado em: 2010
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44. Segmentação de tumores de encéfalo em imagens por ressonância magnética baseada em informações texturais. / Brain tumor segmentation in magnetic resonance images based on texture information.
Magnetic resonance images are essential in the diagnosing and treatment of brain tumors due to its high amount of anatomic details. The task of segmenting brain tumor regions in these images makes more exact quantitative analysis feasible, allowing a better tracking of the evolution/regression of the disease. Nevertheless, the execution of such task is burde
Publicado em: 2009
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45. 3D image registration of the human brain / Registro de imagens 3D do cerebro humano
Image Registration is the process that aligns two or more images in a common reference system of spacial coordinates [31]. It is an important problem with several applications in Medical Imaging, enabling, for instance, the analysis of changes in anatomy along time by the registration of images from the same modality, and the study of combined anatomic and p
Publicado em: 2009
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46. Reconhecimento e delineamento sinergicos de objetos em imagens com aplicações na medicina / Synergistic delineation and recognition of objects in images with applications in medicine
Segmentar uma imagem consiste em particioná-la em regiões relevantes para uma dada aplicação (e.g., objetos e fundo). A segmentação de imagem é um dos problemas mais fundamentais e desafiadores em processamento de imagem e vis¿ao computacional. O problema da segmentação representa um desafio técnico importante na computação devido `a dificuldade
Publicado em: 2009
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47. A SPINE 3D MODELING SYSTEM BASED ON X-RAY IMAGES / UM SISTEMA DE MODELAGEM 3D DE COLUNA VERTEBRAL BASEADO EM IMAGENS DE RAIOS-X
Research involving computer graphics and laboratory exams has contributed much to the quality of the Medical diagnose. One aspect of these researches is directly related to 3D reconstruction of anatomical structures of the human body, especially the spine. The sedentary lifestyle and the high dependence of computers have increased the postural problems of th
Publicado em: 2009
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48. Pinning of Abrikosov Vorticein MG B IND. 2 addition of NI nanoparticles / Aprisionamento dos Vortices de Abrikosov no MG B IND. 2 atraves da adição de nanoparticulas de NI
Since the discovery of the phenomenon of superconductivity in magnesium diboride (MgB2) in the year 2001, the vortex dynamics in this material has been widely studied, because this phenomenon can cause the destruction of the superconducting state. This study intends to assess the impact on the pinning of vortex and the behavior of the critical current densit
Publicado em: 2008