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Theoretical analysis of pseudospectral convergence based on total variation and a related mesh refinement method.
Zhaoting Li
Xiangji Tang
Hongbo Zhang
Published in:
J. Comput. Phys. (2022)
Keyphrases
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theoretical analysis
total variation
image restoration
mesh refinement
regularization term
multiscale
dual formulation
cost function
image segmentation
synthetic and real images
energy function
convex optimization
convergence rate
cross validation
pairwise
computational complexity
similarity measure