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Combining edge difference with nonlocal self-similarity constraints for single image super-resolution.
Weiguo Gong
Yongliang Tang
Xuemei Chen
Qiane Yi
Weihong Li
Published in:
Neurocomputing (2017)
Keyphrases
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single image super resolution
super resolution
edge detection
image restoration
sparse coding
low resolution
high quality
high resolution
image patches
edge information
dictionary learning
high resolution images
image prior