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Noniterative sequential weighted least squares algorithm for positron emission tomography reconstruction.
Jian Zhou
Jean-Louis Coatrieux
Limin Luo
Published in:
Comput. Medical Imaging Graph. (2008)
Keyphrases
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k means
weighted least squares
expectation maximization
learning algorithm
objective function
computational complexity
least squares
clustering algorithm
similarity measure
feature space
cost function
cross validation
image reconstruction
prior information
magnetic resonance imaging
positron emission tomography