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Local and global 3D noise power spectrum in cone-beam CT system with FDK reconstruction
Purpose: The authors examine the nonstationary noise behavior of a cone-beam CT system with FDK reconstruction. Methods: To investigate the nonstationary noise behavior, an analytical expression for the NPS of local volumes and an entire volume was derived and quantitatively compared to the NPS esti...
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| Asıl Yazarlar: | , |
|---|---|
| Materyal Türü: | Artigo |
| Dil: | Inglês |
| Baskı/Yayın Bilgisi: |
American Association of Physicists in Medicine
2011
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| Konular: | |
| Online Erişim: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3078160/ https://ncbi.nlm.nih.gov/pubmed/21626945 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1118/1.3556590 |
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