نتایج جستجو برای: ssde
تعداد نتایج: 56 فیلتر نتایج به سال:
The ACR opened the Computed Tomography Dose Index Registry (DIR) for general participation by all facilities in May 2011. Just over 2 years after its launch, the registry has more than 750 registered facilities, 465 of which were actively contributing data at the end of August 2013. The registry has dose index information on 5.5 million CT examinations, which in turn include 9.4 million irradia...
A variational Bayesian blind restoration reconstruction based on shear wave transform for low-dose medical computed tomography (CT) image is proposed. The proposed algorithm eliminates the effects of the point spread function in the process of low-dose medical CT image reconstruction and improves the reconstructed image quality. The shear wave transform is used to sparsely represent the CT imag...
Background and Objectives: The radiation protection of patients in CT examinations is important due to its wide application and high contribution in collective dose of public, and its radiation effects. The purpose of this study was to estimate the mean patient dose indices in chest and abdomen/pelvic examinations as the first step in patient radiation protection process. Materials and Methods...
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