Please download the SR benchmark datasets following the instruction of BasicSR.
Then, put the downloaded SR benchmark datasets here as the follwing structure. [testset]
can be ['Set5', 'Set14', 'B100', 'Urban100', 'Manga109']
.
dataset/SRBenchmark/
/[testset]/HR/*.png
/LR_bicubic/X2/*.png
/...