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Runtime error
| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| # Copyright (c) Facebook, Inc. and its affiliates. | |
| import os | |
| from pathlib import Path | |
| import numpy as np | |
| import tqdm | |
| from PIL import Image | |
| def convert(input, output): | |
| img = np.asarray(Image.open(input)) | |
| assert img.dtype == np.uint8 | |
| img = img - 1 # 0 (ignore) becomes 255. others are shifted by 1 | |
| Image.fromarray(img).save(output) | |
| if __name__ == "__main__": | |
| dataset_dir = Path(os.getenv("DETECTRON2_DATASETS", "datasets")) / "ADEChallengeData2016" | |
| for name in ["validation"]: | |
| annotation_dir = dataset_dir / "annotations" / name | |
| output_dir = dataset_dir / "annotations_detectron2" / name | |
| output_dir.mkdir(parents=True, exist_ok=True) | |
| for file in tqdm.tqdm(list(annotation_dir.iterdir())): | |
| output_file = output_dir / file.name | |
| convert(file, output_file) |