نتایج جستجو برای: universal image quality index uiqi
تعداد نتایج: 1526535 فیلتر نتایج به سال:
magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...
We study a variety of image deblocking algorithms for improving quality of visual signals degraded by blocking artifacts from compression. The image improvements afforded by these algorithms is measured using the PSNR, PSNR-B, and SSIM. Rather than relying on PSNR, which correlates poorly with subjective judgment, we propose a new Deblocking quality index that is sensitive to blocking artifacts...
چکیده ندارد.
In C-arm CT, electrocardiogram (ECG)-gating of data from a single C-arm rotation provides only a few projections per heart phase for image reconstruction. This view starvation leads to prominent streak artifacts and a poor signal to noise ratio. Motion compensation techniques allow for the use of all acquired data for image reconstruction. Cardiac motion can be estimated by deformable 3-D/3-D r...
Introduction: The introduction of digital radiography has led to a significant problem in terms of dose creep. To address this problem, manufacturers have established a set of exposure indicators (EI) as a feedback mechanism to safeguard against overexposure. The EI is the measure of incident exposure to the detector that is directly proportional to the signal-to-noise...
abstract soil quality evaluation is an essential issue in soil management for agriculture and natural resource protection. soil quality indices are useful tools for determination and comparison of soils quality. using of principle component analysis in this study we selected 6 important properties as a soil quality minimum data set (mds) among 18 soil properties (tds). then, soil quality of agr...
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