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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Bibliographic Details
Main Authors: Ma, Jianhua, Liang, Zhengrong, Fan, Yi, Liu, Yan, Huang, Jing, Chen, Wufan, Lu, Hongbing
Format: Artigo
Language:Inglês
Published: American Association of Physicists in Medicine 2012
Subjects:
Radiation Imaging Physics
Online Access: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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