Ontology highlight
ABSTRACT:
SUBMITTER: Bland J
PROVIDER: S-EPMC6027990 | biostudies-other | 2018 May
REPOSITORIES: biostudies-other
Bland James J Mehranian Abolfazl A Belzunce Martin A MA Ellis Sam S McGinnity Colm J CJ Hammers Alexander A Reader Andrew J AJ
IEEE transactions on radiation and plasma medical sciences 20171109 3
PET image reconstruction is highly susceptible to the impact of Poisson noise, and if shorter acquisition times or reduced injected doses are used, the noisy PET data become even more limiting. The recent development of kernel expectation maximisation (KEM) is a simple way to reduce noise in PET images, and we show in this work that impressive dose reduction can be achieved when the kernel method is used with MR-derived kernels. The kernel method is shown to surpass maximum likelihood expectatio ...[more]