Performance of sparse-view CT reconstruction with multi-directional gradient operators

To further reduce the noise and artifacts in the reconstructed image of sparse-view CT, we have modified the traditional total variation (TV) methods, which only calculate the gradient variations in x and y directions, and have proposed 8- and 26-directional (the multi-directional) gradient operator...

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Detaylı Bibliyografya
Yayımlandı:PLoS One
Asıl Yazarlar: Hsieh, Chia-Jui, Jin, Shih-Chun, Chen, Jyh-Cheng, Kuo, Chih-Wei, Wang, Ruei-Teng, Chu, Woei-Chyn
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: Public Library of Science 2019
Konular:
Research Article
Online Erişim:https://ncbi.nlm.nih.gov/pmc/articles/PMC6322781/
https://ncbi.nlm.nih.gov/pubmed/30615635
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0209674
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