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youtubevos_annotation.py
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youtubevos_annotation.py
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import argparse
import json
import os
def parse_args():
parser = argparse.ArgumentParser(description='YouTubeVOS dataset annotation maker')
parser.add_argument('--mask', default='', type=str,
help='mask folder path')
parser.add_argument('--catagory-list', nargs='+', default=[], type=str,
help='catagory list of objects')
parser.add_argument('--id', default='', type=str,
help='video id')
parser.add_argument('--resume', default='', type=str,
help='existing json file path')
parser.add_argument('--save', default='meta.json', type=str,
help='json file saving path')
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_args()
print(args)
# initial dictionary
annotation = {}
if args.resume != '':
annotation = json.load(args.resume)["videos"]
elif args.save == '':
args.save = args.resume
# create dictionary
annotation[args.id] = {}
annotation[args.id]["objects"] = {}
for i, object in enumerate(args.catagory_list):
obj = {}
obj["category"] = object
obj["frames"] = [name.split('.')[0] for name in os.listdir(args.mask)]
annotation[args.id]["objects"][str(i+1)] = obj
# save to json file
saved_annotation = {"videos": annotation}
with open(args.save, 'w') as f:
json.dump(saved_annotation, f, indent=4)