For training and testing, your directory structure should look like this
Datasets
ββββtrain
ββββββββGoPro
βββββββββββββinput_crops
βββββββββββββtarget_crops
ββββval
ββββββββGoPro
βββββββββββββinput_crops
βββββββββββββtarget_crops
ββββtest
ββββββββGoPro
βββββββββββββinput
βββββββββββββtarget
ββββββββHIDE
βββββββββββββinput
βββββββββββββtarget
ββββββββRealBlur_J
βββββββββββββinput
βββββββββββββtarget
ββββββββRealBlur_R
βββββββββββββinput
βββββββββββββtarget