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Filtered backprojection implementation of the immediately-after-backprojection filtering

In an iterative image reconstruction algorithm, it was demonstrated that the contrast-to-noise ratio in the final reconstruction could be improved if a low-pass filter was applied to the backprojction of the projection-domain discrepancy, and then this backprojection was used to update the image fro...

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Pubblicato in:Biomed Phys Eng Express
Autore principale: Zeng, Gengsheng L
Natura: Artigo
Lingua:Inglês
Pubblicazione: 2018
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC7725241/
https://ncbi.nlm.nih.gov/pubmed/33304613
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1088/2057-1976/aac9af
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