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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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