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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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| Publicado no: | PLoS One |
|---|---|
| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Public Library of Science
2019
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| Assuntos: | |
| Acesso em linha: | 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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