mmsegmentation/mmseg/datasets/loveda.py

# Copyright (c) OpenMMLab. All rights reserved.
from mmseg.registry import DATASETS
from .custom import CustomDataset


@DATASETS.register_module()
class LoveDADataset(CustomDataset):
    """LoveDA dataset.

    In segmentation map annotation for LoveDA, 0 is the ignore index.
    ``reduce_zero_label`` should be set to True. The ``img_suffix`` and
    ``seg_map_suffix`` are both fixed to '.png'.
    """
    METAINFO = dict(
        classes=('background', 'building', 'road', 'water', 'barren', 'forest',
                 'agricultural'),
        palette=[[255, 255, 255], [255, 0, 0], [255, 255, 0], [0, 0, 255],
                 [159, 129, 183], [0, 255, 0], [255, 195, 128]])

    def __init__(self, **kwargs) -> None:
        super().__init__(
            img_suffix='.png',
            seg_map_suffix='.png',
            reduce_zero_label=True,
            **kwargs)