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Image super-resolution via sparse representation over multiple learned dictionaries based on edge sharpness.
Faezeh Yeganli
Mahmoud Nazzal
Murat Unal
Hüseyin Özkaramanli
Published in:
Signal Image Video Process. (2016)
Keyphrases
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sparse representation
image super resolution
dictionary learning
sparse coding
image patches
face recognition
class specific
image classification
sparse codes
sparse approximations
image representation
high dimensional data
signal processing
dimensionality reduction
compressive sensing
edge preserving
pattern recognition
test images
training data
decision trees
visual words