Relaxed ordered subset preconditioned alternating projection algorithm for PET reconstruction with automated penalty weight selection

PURPOSE: Performance of the preconditioned alternating projection algorithm (PAPA) using relaxed ordered subsets (ROS) with a non‐smooth penalty function was investigated in positron emission tomography (PET). A higher order total variation (HOTV) regularizer was applied and a method for unsupervise...

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Pubblicato in:Med Phys
Autori principali: Ross Schmidtlein, C., Lin, Yizun, Li, Si, Krol, Andrzej, Beattie, Bradley J., Humm, John L., Xu, Yuesheng
Natura: Artigo
Lingua:Inglês
Pubblicazione: John Wiley and Sons Inc. 2017
Soggetti:
QUANTITATIVE IMAGING AND IMAGE PROCESSING
Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC6768403/
https://ncbi.nlm.nih.gov/pubmed/28437565
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/mp.12292
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