mrq/DL-Art-School
1
3
Fork 5
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add doCrop into LQGT

Browse Source
This commit is contained in:
James Betker 2020-05-02 17:46:30 -06:00
parent 9e1acfe396
commit 61d3040cf5
1 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
codes/data/LQGT_dataset.py
View File

@ -20,10 +20,11 @@ class LQGTDataset(data.Dataset):
self.paths_LQ, self.paths_GT = None, None self.paths_LQ, self.paths_GT = None, None
self.sizes_LQ, self.sizes_GT = None, None self.sizes_LQ, self.sizes_GT = None, None
self.paths_PIX, self.sizes_PIX = None, None self.paths_PIX, self.sizes_PIX = None, None
self.LQ_env, self.GT_env, self.PIX_env = None, None, None # environments for lmdb self.LQ_env, self.GT_env, self.PIX_env = None, None, None # environments for lmdbs
self.paths_GT, self.sizes_GT = util.get_image_paths(self.data_type, opt['dataroot_GT']) self.paths_GT, self.sizes_GT = util.get_image_paths(self.data_type, opt['dataroot_GT'])
self.paths_LQ, self.sizes_LQ = util.get_image_paths(self.data_type, opt['dataroot_LQ']) self.paths_LQ, self.sizes_LQ = util.get_image_paths(self.data_type, opt['dataroot_LQ'])
self.doCrop = opt['doCrop']
if 'dataroot_PIX' in opt.keys(): if 'dataroot_PIX' in opt.keys():
self.paths_PIX, self.sizes_PIX = util.get_image_paths(self.data_type, opt['dataroot_PIX']) self.paths_PIX, self.sizes_PIX = util.get_image_paths(self.data_type, opt['dataroot_PIX'])
@ -107,13 +108,18 @@ class LQGTDataset(data.Dataset):
H, W, C = img_LQ.shape H, W, C = img_LQ.shape
LQ_size = GT_size // scale LQ_size = GT_size // scale
# randomly crop if self.doCrop:
rnd_h = random.randint(0, max(0, H - LQ_size)) # randomly crop
rnd_w = random.randint(0, max(0, W - LQ_size)) rnd_h = random.randint(0, max(0, H - LQ_size))
img_LQ = img_LQ[rnd_h:rnd_h + LQ_size, rnd_w:rnd_w + LQ_size, :] rnd_w = random.randint(0, max(0, W - LQ_size))
rnd_h_GT, rnd_w_GT = int(rnd_h * scale), int(rnd_w * scale) img_LQ = img_LQ[rnd_h:rnd_h + LQ_size, rnd_w:rnd_w + LQ_size, :]
img_GT = img_GT[rnd_h_GT:rnd_h_GT + GT_size, rnd_w_GT:rnd_w_GT + GT_size, :] rnd_h_GT, rnd_w_GT = int(rnd_h * scale), int(rnd_w * scale)
img_PIX = img_PIX[rnd_h_GT:rnd_h_GT + GT_size, rnd_w_GT:rnd_w_GT + GT_size, :] img_GT = img_GT[rnd_h_GT:rnd_h_GT + GT_size, rnd_w_GT:rnd_w_GT + GT_size, :]
img_PIX = img_PIX[rnd_h_GT:rnd_h_GT + GT_size, rnd_w_GT:rnd_w_GT + GT_size, :]
else:
img_LQ = cv2.resize(img_LQ, (LQ_size, LQ_size), interpolation=cv2.INTER_LINEAR)
img_GT = cv2.resize(img_GT, (GT_size, GT_size), interpolation=cv2.INTER_LINEAR)
img_PIX = cv2.resize(img_PIX, (GT_size, GT_size), interpolation=cv2.INTER_LINEAR)
# augmentation - flip, rotate # augmentation - flip, rotate
img_LQ, img_GT, img_PIX = util.augment([img_LQ, img_GT, img_PIX], self.opt['use_flip'], img_LQ, img_GT, img_PIX = util.augment([img_LQ, img_GT, img_PIX], self.opt['use_flip'],