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Accelerated ordered-subsets algorithm based on separable quadratic surrogates for regularized image reconstruction in X-ray CT.
Donghwan Kim
Jeffrey A. Fessler
Published in:
ISBI (2011)
Keyphrases
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image reconstruction
objective function
image reconstruction algorithms
computational complexity
reconstruction method
compressed sensing
artifact free
emission computed tomography
moving objects
signal reconstruction
super resolution
x ray
computed tomography
back projection