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