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Adjustments to subimage extractor

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This commit is contained in:
James Betker 2020-12-01 11:11:30 -07:00
parent e343722d37
commit 8f65f81ddb
1 changed files with 14 additions and 5 deletions
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19
codes/scripts/extract_subimages_with_ref.py
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@ -19,14 +19,17 @@ def main():
# compression time. If read raw images during training, use 0 for faster IO speed. # compression time. If read raw images during training, use 0 for faster IO speed.
opt['dest'] = 'file' opt['dest'] = 'file'
opt['input_folder'] = 'F:\\4k6k\\datasets\\ns_images\\imagesets\\imgset3' opt['input_folder'] = 'F:\\4k6k\\datasets\\ns_images\\fkaw\\images'
opt['save_folder'] = 'F:\\4k6k\\datasets\\ns_images\\imagesets\\256_with_ref_3' opt['save_folder'] = 'F:\\4k6k\\datasets\\ns_images\\vixen\\512_with_ref_and_fkaw'
opt['crop_sz'] = [512, 1024] # the size of each sub-image opt['crop_sz'] = [1024, 2048] # the size of each sub-image
opt['step'] = [512, 1024] # step of the sliding crop window opt['step'] = [1024, 2048] # step of the sliding crop window
opt['thres_sz'] = 128 # size threshold opt['thres_sz'] = 512 # size threshold
opt['resize_final_img'] = [.5, .25] opt['resize_final_img'] = [.5, .25]
opt['only_resize'] = False opt['only_resize'] = False
opt['vertical_split'] = False opt['vertical_split'] = False
opt['input_image_max_size_before_being_halved'] = 5500 # As described, images larger than this dimensional size will be halved before anything else is done.
# This helps prevent images from cameras with "false-megapixels" from polluting the dataset.
# False-megapixel=lots of noise at ultra-high res.
save_folder = opt['save_folder'] save_folder = opt['save_folder']
if not osp.exists(save_folder): if not osp.exists(save_folder):
@ -187,6 +190,12 @@ class TiledDataset(data.Dataset):
h, w, c = img.shape h, w, c = img.shape
if max(h,w) > self.opt['input_image_max_size_before_being_halved']:
h = h // 2
w = w // 2
img = cv2.resize(img, (w, h), interpolation=cv2.INTER_AREA)
#print("Resizing to ", img.shape)
# Uncomment to filter any image that doesnt meet a threshold size. # Uncomment to filter any image that doesnt meet a threshold size.
if min(h,w) < 512: if min(h,w) < 512:
return None return None