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Single-image super-resolution based on local biquadratic spline with edge constraints and adaptive optimization in transform domain.
Danya Zhou
Yepeng Liu
Xue-Mei Li
Caiming Zhang
Published in:
Vis. Comput. (2022)
Keyphrases
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transform domain
single image super resolution
spatial domain
sparse coding
super resolution
frequency domain
edge detection
multiresolution
image patches
denoising algorithm
image prior
multiscale
low resolution
sparse representation
macroblock