FreqNet: A Frequency-domain Image Super-Resolution Network with Dicrete Cosine Transform.

Runyuan Cai Yue Ding Hongtao Lu

Published in: CoRR (2021)

Keyphrases

frequency domain
image super resolution
spatial domain
cosine transform
feature extraction
dictionary learning
denoising
super resolution
low resolution
filter bank
subband
high resolution
high quality
training set
optical flow
transform domain