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A Scaled and Adaptive FISTA Algorithm for Signal-Dependent Sparse Image Super-Resolution Problems.
Marta Lazzaretti
Simone Rebegoldi
Luca Calatroni
Claudio Estatico
Published in:
SSVM (2021)
Keyphrases
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image super resolution
expectation maximization
computational complexity
multiresolution
k means
em algorithm
similarity measure
dictionary learning
image segmentation
high quality
high dimensional
least squares
image quality
sparse representation
image coding