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New variant of the HSS iteration method for weighted Toeplitz regularized least-squares problems from image restoration.
Li-Dan Liao
Guo-Feng Zhang
Published in:
Comput. Math. Appl. (2017)
Keyphrases
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image restoration
total least squares
regularized least squares
pairwise
regularization parameter
markov random field
newton method
objective function
total variation
cost function
natural images
energy function
edge preserving regularization