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Technical Note: Measuring contrast- and noise-dependent spatial resolution of an iterative reconstruction method in CT using ensemble averaging
PURPOSE: The spatial resolution of iterative reconstruction (IR) in computed tomography (CT) is contrast- and noise-dependent because of the nonlinear regularization. Due to the severe noise contamination, it is challenging to perform precise spatial-resolution measurements at very low-contrast leve...
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| Vydáno v: | Med Phys |
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| Hlavní autoři: | , , , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
American Association of Physicists in Medicine
2015
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4401802/ https://ncbi.nlm.nih.gov/pubmed/25979020 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1118/1.4916802 |
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