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Single Image Superresolution via Directional Group Sparsity and Directional Features.
Xiaoyan Li
Hongjie He
Ruxin Wang
Dacheng Tao
Published in:
IEEE Trans. Image Process. (2015)
Keyphrases
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directional features
single image
super resolution
low resolution
high resolution
image reconstruction
image restoration
light source
high quality
motion estimation
dictionary learning
vanishing points
image patches
motion blur
compressive sensing
computer vision
machine learning
image retrieval
face recognition