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Pixel-wise dictionary learning based locality-constrained representation for noise robust face hallucination.
Surendra Nagar
Ankush Jain
Pramod Kumar Singh
Ajay Kumar
Published in:
Digit. Signal Process. (2020)
Keyphrases
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dictionary learning
pixel wise
image super resolution
sparse representation
sparse coding
image representation
low resolution
spatial information
higher order
linear combination
image processing
pairwise
prior knowledge
super resolution