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Alternating Direction Method of Multiplier for Tomography With Nonlocal Regularizers

The ordered subset expectation maximization (OSEM) algorithm approximates the gradient of a likelihood function using a subset of projections instead of using all projections so that fast image reconstruction is possible for emission and transmission tomography such as SPECT, PET, and CT. However, O...

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Detalhes bibliográficos
Publicado no:IEEE Trans Med Imaging
Main Authors: Chun, Se Young, Dewaraja, Yuni K., Fessler, Jeffrey A.
Formato: Artigo
Idioma:Inglês
Publicado em: 2014
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4465786/
https://ncbi.nlm.nih.gov/pubmed/25291351
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1109/TMI.2014.2328660
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