95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
import argparse
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from coco.storage import COCOStorage
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import logging
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import pycocotools.coco
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger("tools")
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def create(args):
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con = args.storage.con
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cur = con.cursor()
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cur.executemany(
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'INSERT OR IGNORE INTO categories(id, supercategory, name) VALUES (:id, :supercategory, :name)', args.coco.cats.values())
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con.commit()
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logger.info("Images...")
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cur.executemany('''
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INSERT OR IGNORE INTO images(id, flickr_url, coco_url, width, height, date_captured)
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VALUES (:id, :flickr_url, :coco_url, :width, :height, :date_captured)
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''', args.coco.imgs.values())
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con.commit()
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logger.info("Annotations...")
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def annotation_generator():
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for c in args.coco.anns.values():
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ann = c.copy()
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ann['bbox_top'] = ann['bbox'][1]
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ann['bbox_left'] = ann['bbox'][0]
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ann['bbox_width'] = ann['bbox'][2]
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ann['bbox_height'] = ann['bbox'][3]
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yield ann
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cur.executemany('''
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INSERT OR IGNORE INTO annotations(id, image_id, category_id, iscrowd, area, bbox_top, bbox_left, bbox_width, bbox_height)
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VALUES (:id, :image_id, :category_id, :iscrowd, :area, :bbox_top, :bbox_left, :bbox_width, :bbox_height)
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''', annotation_generator())
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con.commit()
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logger.info("Segments...")
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def segment_generator():
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for ann in args.coco.anns.values():
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for i, seg in enumerate(ann['segmentation']):
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yield {
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# create a uniqe segment id, supports max 10 segments per annotation
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'id': ann['id']*10 + i,
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'annotation_id': ann['id'],
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'points': str(seg)[1:-1],
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}
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cur.executemany('''
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INSERT OR IGNORE INTO segments(id, annotation_id, points)
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VALUES (:id, :annotation_id, :points)
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''', segment_generator())
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con.commit()
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logger.info("Done...")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers(
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title='subcommands', help="Use command -h for specific help")
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parser_create = subparsers.add_parser('create')
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parser_create.add_argument(
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'--annotations',
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metavar="JSON_FILENAME",
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type=pycocotools.coco.COCO,
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dest='coco',
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default='dataset/annotations/instances_val2017.json'
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)
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parser_create.add_argument(
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'--db',
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type=COCOStorage,
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metavar='DATABASE',
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dest='storage',
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help='SQLite db filename, will be created if not existing',
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default='dataset/instances_val2017.db'
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)
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parser_create.set_defaults(target=create)
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# parser_build = subparsers.add_parser('build')
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args = parser.parse_args()
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if 'target' in args:
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args.target(args)
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else:
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parser.print_help()
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exit(1)
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