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A Krasnoselskii-Mann Algorithm with an Improved EM Preconditioner for PET Image Reconstruction
This paper presents a preconditioned Krasnoselskii-Mann (KM) algorithm with an improved EM preconditioner (IEM-PKMA) for higher-order total variation (HOTV) regularized positron emission tomography (PET) image reconstruction. The PET reconstruction problem can be formulated as a three-term convex op...
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| Publicado no: | IEEE Trans Med Imaging |
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| Main Authors: | , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7528397/ https://ncbi.nlm.nih.gov/pubmed/30794510 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1109/TMI.2019.2898271 |
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