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HIPA: Hierarchical Patch Transformer for Single Image Super Resolution.
Qing Cai
Yiming Qian
Jinxing Li
Jun Lyu
Yee-Hong Yang
Feng Wu
David Zhang
Published in:
IEEE Trans. Image Process. (2023)
Keyphrases
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single image super resolution
image patches
sparse coding
super resolution
natural images
low resolution
test images
dictionary learning
feature vectors
sparse representation
high resolution
image processing
pairwise
unsupervised learning