نتایج جستجو برای: x ray computed tomography
تعداد نتایج: 835919 فیلتر نتایج به سال:
Electron tomography (ET) is a useful tool to investigate threedimensional (3D) details based on virtual slices of relative thick specimen. A single electron transmission microscopic image is to ET what single X-ray image is to computed X-ray tomography (Rhyu & Park, 2008). As computed X-ray tomographic image shows cross sectional information of the body without real sectioning in hospital, we c...
Most of the existing research in medical image segmentation has focused on magnetic resonance (MR) and computed tomography (CT). Much less work has been done in the segmentation of X-ray images. Nevertheless, medical specialists often examine X-rays images of spinal columns to determine the presence of abnormalities or dysfunctions and to analyse the vertebral mobility. To help them to establis...
The aim of this study was to evaluate the frequency of specific diagnostic methods used for diagnosis of oral pathologies. The sample consisted of 198 patients (98 man and 100 women) with formulated diagnosis, confirmed postoperatively by histopathological verification. In 74.7% of subjects only X-ray diagnostic examination was used. Both X-ray and computed tomography (CT) examinations were use...
Abstract The structure of five rare filigree spheres from a seventeenth century shipwreck was examined in order to unravel their condition, manufacturing process and function. This study focuses on the application non-invasive imaging techniques: optical microscopy, X-radiography, X-ray micro-computed tomography neutron computed tomography. A valuation different aspects applied techniques made,...
Surface-mount technology is now widely used in the production of many components. The development miniaturised electronics industry forces increasingly accurate inspection methods. X-ray and computed tomography are methods to accurately assess quality a circuit board. article discusses basics image formation tested electronics, design devices examples x-ray, applications.
Pulmonary nodule detection, characterization, and management with multidetector computed tomography.
Pulmonary nodule detection and characterization continue to improve with technological advancements. The noninvasive methods available for assisting in nodule detection and for characterizing nodules as benign, malignant, or indeterminate will be discussed. Evidence-based guidelines will be reviewed to help guide the appropriate management of pulmonary nodules.
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