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Direct Reconstruction of CT-based Attenuation Correction Images for PET with Cluster-Based Penalties
Extremely low-dose CT acquisitions used for PET attenuation correction have high levels of noise and potential bias artifacts due to photon starvation. This work explores the use of a priori knowledge for iterative image reconstruction of the CT-based attenuation map. We investigate a maximum a post...
Shranjeno v:
| izdano v: | IEEE Trans Nucl Sci |
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| Main Authors: | , , , |
| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
2017
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6191195/ https://ncbi.nlm.nih.gov/pubmed/30337765 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1109/TNS.2017.2654680 |
| Oznake: |
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