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Noise properties of CT images reconstructed by use of constrained total-variation, data-discrepancy minimization

PURPOSE: The authors develop and investigate iterative image reconstruction algorithms based on data-discrepancy minimization with a total-variation (TV) constraint. The various algorithms are derived with different data-discrepancy measures reflecting the maximum likelihood (ML) principle. Simulati...

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Publicat a:Med Phys
Autors principals: Rose, Sean, Andersen, Martin S., Sidky, Emil Y., Pan, Xiaochuan
Format: Artigo
Idioma:Inglês
Publicat: American Association of Physicists in Medicine 2015
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC4425727/
https://ncbi.nlm.nih.gov/pubmed/25979067
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1118/1.4914148
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