33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
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import mmengine.fileio as fileio
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from mmseg.registry import DATASETS
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from .basesegdataset import BaseSegDataset
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@DATASETS.register_module()
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class ChaseDB1Dataset(BaseSegDataset):
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"""Chase_db1 dataset.
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In segmentation map annotation for Chase_db1, 0 stands for background,
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which is included in 2 categories. ``reduce_zero_label`` is fixed to False.
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The ``img_suffix`` is fixed to '.png' and ``seg_map_suffix`` is fixed to
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'_1stHO.png'.
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"""
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METAINFO = dict(
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classes=('background', 'vessel'),
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palette=[[120, 120, 120], [6, 230, 230]])
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def __init__(self,
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img_suffix='.png',
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seg_map_suffix='_1stHO.png',
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reduce_zero_label=False,
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**kwargs) -> None:
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super().__init__(
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img_suffix=img_suffix,
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seg_map_suffix=seg_map_suffix,
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reduce_zero_label=reduce_zero_label,
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**kwargs)
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assert fileio.exists(
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self.data_prefix['img_path'], backend_args=self.backend_args)
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