Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 228,397,753 papers from all fields of science
Search
Sign In
Create Free Account
Ordered subset expectation maximization
Known as:
Osem
, Ordered Subset Expectation Maximisation
, Ordered-subset expectation maximization
Expand
In mathematical optimization, the ordered subset expectation maximization (OSEM) method is an iterative method that is used in computed tomography…
Expand
Wikipedia
(opens in a new tab)
Create Alert
Alert
Related topics
Related topics
6 relations
Expectation–maximization algorithm
Iterative method
List of algorithms
List of numerical analysis topics
Expand
Broader (1)
Medical imaging
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Delay-QoS-driven spectrum and energy efficiency tradeoff
Leila Musavian
,
Q. Ni
IEEE International Conference on Communications…
2014
Corpus ID: 28468810
This paper presents a delay-QoS-driven spectrum and energy efficiency optimization transmission technique. In particular…
Expand
2014
2014
Optimized Momentum Steps for Accelerating X-ray CT Ordered Subsets Image Reconstruction
Donghwan Kim
,
J. Fessler
2014
Corpus ID: 7831677
Recently, we accelerated ordered subsets (OS) methods for low-dose X-ray CT image reconstruction using momentum techniques…
Expand
2014
2014
Directed Metric Dimension of Oriented Graphs with Cyclic Covering
S. Pancahayani
,
R. Simanjuntak
2014
Corpus ID: 119164871
Let $D$ be a strongly connected oriented graph with vertex-set $V$ and arc-set $A$. The distance from a vertex $u$ to another…
Expand
2013
2013
Metal artifact reduction in tomosynthesis by metal extraction and ordered subset-expectation maximization (OS-EM) reconstruction
Tomonori Sakimoto
,
Kazuyoshi Nishino
Medical Imaging
2013
Corpus ID: 119536318
Tomosynthesis is a useful imaging tool for breast, lung, and orthopedic diagnostics. Compared with computed tomography (CT…
Expand
2013
2013
High quality ordered subset expectation maximization reconstruction algorithm based on multi-resolution for PET images
Gui Zhiguo
2013
Corpus ID: 124655519
In Positron Emission Tomography(PET) imaging,Maximum Likelihood Expectation Maximization(MLEM) algorithm cannot be directly…
Expand
2009
2009
An Symmetric Ordered Subset Expectation Maximization Accelerated Algorithm
Liu Chang
2009
Corpus ID: 124858579
The ordered subsets EM algorithm has excited considerable interest for image reconstruction from projection due to its…
Expand
2006
2006
Optimizing the number of equivalent iterations of 3D OSEM in SPECT reconstruction of I-131 focal activities
K. Koral
,
James N. Kritzmaan
,
Virginia E Rogers
,
R. J. Ackermann
,
J. Fessler
2006
Corpus ID: 56032900
2004
2004
Application of ordered-subsets expectation-maximization (OSEM) algorithm to cone-beam SPECT for accelerated 3D reconstruction
A. Król
,
D. Feiglin
,
+6 authors
F. D. Thomas
IEEE Symposium Conference Record Nuclear Science…
2004
Corpus ID: 37644083
We investigated the performance of an ordered-subsets expectation-maximization (OSEM) algorithm for accelerated reconstruction in…
Expand
1996
1996
Fast iterative image reconstruction of 3D PET data
Paul Kinahan
,
C. Michel
,
+5 authors
J. Luketich
IEEE Nuclear Science Symposium Conference Record
1996
Corpus ID: 60693220
For count-limited PET imaging protocols, two different approaches to reducing statistical noise are volume, or 3D, imaging to…
Expand
1964
1964
Methode zur quantitativen Dünnschichtchromatographischen Bestimmung von Gallensäuren aus Menschengalle
B. Frosch
,
H. Wagener
Klinische Wochenschrift
1964
Corpus ID: 13239664
ZusammenfassungEs wird ein Verfahren zur quantitativen Bestimmung von Gallensäuren nach Dünnschichtchromatographie beschrieben…
Expand
By clicking accept or continuing to use the site, you agree to the terms outlined in our
Privacy Policy
(opens in a new tab)
,
Terms of Service
(opens in a new tab)
, and
Dataset License
(opens in a new tab)
ACCEPT & CONTINUE