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from typing import List, Tuple |
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import h5py |
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import numpy as np |
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def loader( |
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hdf5_file: str, folds: List[int] |
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) -> Tuple[np.ndarray, np.ndarray, np.ndarray, List[str]]: |
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post = [] |
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pre = [] |
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masks = [] |
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names = [] |
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with h5py.File(hdf5_file, "r") as f: |
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for uuid, values in f.items(): |
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if values.attrs["fold"] not in folds: |
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continue |
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if "pre_fire" not in values: |
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continue |
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post.append(values["post_fire"][...]) |
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pre.append(values["pre_fire"][...]) |
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masks.append(values["mask"][...]) |
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names.append(uuid) |
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post = np.stack(post, axis=0, dtype=np.int32) |
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pre = np.stack(pre, axis=0, dtype=np.int32) |
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masks = np.stack(masks, axis=0, dtype=np.int32) |
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return post, pre, masks, names |
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