منابع مشابه
Scout-It: Interior tomography using modified scout acquisition
3 Results 5 3.1 Numerical phantom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Projection acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.3 Estimation of ellipse parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.4 Usage...
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Introduction: Lower ureteric calculus is usually managed on Medical Expulsive Therapy. These patients require periodic imaging studies to monitor stone position and to assess for hydronephrosis. There is high variability in determining the choice of imaging protocols to observe progression of ureteral calculi for follow up. Widespread use of NCCT KUB for initial diagnosis lead to use of scout v...
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In contrast to the present Mars exploration missions future mission concepts ask for a fast and save traverse through vast and varied expanses of terrain. The goal of the FASTER1 project is to improve the mission safety and the effective traverse speed for planetary rover exploration by determining the traversability of the terrain and lowering the risk to enter hazardous areas. In order to ach...
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Currently, new applications demand utilizing CT scout images for diagnostic purposes. However, many CT scout images cannot be used diagnostically due to their poor resolution, particularly in the direction of table movement. Spatial resolution generally can be improved with image restoration techniques. Based on the principles of Wiener filtering and inverse filtering, this paper presents a mod...
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In the computed tomography (CT) field, one recent invention is the so-called carbon nanotube (CNT) based field emission x-ray technology. On the other hand, compressive sampling (CS) based interior tomography is a new innovation. Combining the strengths of these two novel subjects, we apply the interior tomography technique to local mouse cardiac imaging using respiration and cardiac gating wit...
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ژورنال
عنوان ژورنال: Physics in Medicine and Biology
سال: 2013
ISSN: 0031-9155,1361-6560
DOI: 10.1088/0031-9155/58/12/4297