Ordered subset expectation maximization

Known as: Osem, Ordered Subset Expectation Maximisation, Ordered-subset expectation maximization 
In mathematical optimization, the ordered subset expectation maximization (OSEM) method is an iterative method that is used in computed tomography… (More)
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2015
2015
We introduce the first ever ordered subset expectation maximization (OSEM) method for joint estimation of emission activity… (More)
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2014
2014
The Voxel Imaging PET (VIP) Pathfinder project intends to show the advantages of using pixelated solid-state technology for… (More)
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2014
2014
Recently, we accelerated ordered subsets (OS) methods for low-dose X-ray CT image reconstruction using momentum techniques… (More)
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2014
2014
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2005
2005
BACKGROUND Positron Emission Tomography (PET), Computed Tomography (CT), PET/CT and Single Photon Emission Tomography (SPECT) are… (More)
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2005
2005
BACKGROUND: Positron emission tomography (PET) is a powerful imaging technique with the potential of obtaining functional or… (More)
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2004
2004
We investigated the performance of an ordered-subsets expectation-maximization (OSEM) algorithm for accelerated reconstruction in… (More)
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2004
2004
Iterative algorithms such as maximum likelihood expectation maximization (ML-EM) algorithm are rapidly becoming the standard for… (More)
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2003
2003
List-mode (LM) acquisition allows collection of data attributes at higher levels of precision than is possible with binned (i.e… (More)
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2002
2002
We investigate a new, fast and provably convergent MAP reconstruction algorithm for emission tomography. The new algorithm… (More)
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