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Variance analysis of x-ray CT sinograms in the presence of electronic noise background
Purpose: Low-dose x-ray computed tomography (CT) is clinically desired. Accurate noise modeling is a fundamental issue for low-dose CT image reconstruction via statistics-based sinogram restoration or statistical iterative image reconstruction. In this paper, the authors analyzed the statistical mom...
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| Main Authors: | , , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
American Association of Physicists in Medicine
2012
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3382257/ https://ncbi.nlm.nih.gov/pubmed/22830738 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1118/1.4722751 |
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