configs/_base_/datasets/levir_256x256.py

# dataset settings
dataset_type = 'LEVIRCDDataset'
data_root = r'data/LEVIRCD'

albu_train_transforms = [
    dict(type='RandomBrightnessContrast', p=0.2),
    dict(type='HorizontalFlip', p=0.5),
    dict(type='VerticalFlip', p=0.5)
]

train_pipeline = [
    dict(type='LoadMultipleRSImageFromFile'),
    dict(type='LoadAnnotations'),
    dict(type='Albu', transforms=albu_train_transforms),
    dict(type='ConcatCDInput'),
    dict(type='PackSegInputs')
]
test_pipeline = [
    dict(type='LoadMultipleRSImageFromFile'),
    dict(type='LoadAnnotations'),
    dict(type='ConcatCDInput'),
    dict(type='PackSegInputs')
]

tta_pipeline = [
    dict(type='LoadMultipleRSImageFromFile'),
    dict(
        type='TestTimeAug',
        transforms=[[dict(type='LoadAnnotations')],
                    [dict(type='ConcatCDInput')],
                    [dict(type='PackSegInputs')]])
]
train_dataloader = dict(
    batch_size=4,
    num_workers=4,
    persistent_workers=True,
    sampler=dict(type='InfiniteSampler', shuffle=True),
    dataset=dict(
        type=dataset_type,
        data_root=data_root,
        data_prefix=dict(
            img_path='train/A',
            img_path2='train/B',
            seg_map_path='train/label'),
        pipeline=train_pipeline))
val_dataloader = dict(
    batch_size=1,
    num_workers=4,
    persistent_workers=True,
    sampler=dict(type='DefaultSampler', shuffle=False),
    dataset=dict(
        type=dataset_type,
        data_root=data_root,
        data_prefix=dict(
            img_path='test/A', img_path2='test/B', seg_map_path='test/label'),
        pipeline=test_pipeline))
test_dataloader = val_dataloader
val_evaluator = dict(type='IoUMetric', iou_metrics=['mIoU'])
test_evaluator = val_evaluator