configs/ocrnet/ocrnet_hr18_4xb4-20k_voc12aug-512x512.py

_base_ = [
    '../_base_/models/ocrnet_hr18.py',
    '../_base_/datasets/pascal_voc12_aug.py', '../_base_/default_runtime.py',
    '../_base_/schedules/schedule_20k.py'
]
crop_size = (512, 512)
data_preprocessor = dict(size=crop_size)
norm_cfg = dict(type='SyncBN', requires_grad=True)
model = dict(
    data_preprocessor=data_preprocessor,
    decode_head=[
        dict(
            type='FCNHead',
            in_channels=[18, 36, 72, 144],
            channels=sum([18, 36, 72, 144]),
            in_index=(0, 1, 2, 3),
            input_transform='resize_concat',
            kernel_size=1,
            num_convs=1,
            concat_input=False,
            dropout_ratio=-1,
            num_classes=21,
            norm_cfg=norm_cfg,
            align_corners=False,
            loss_decode=dict(
                type='CrossEntropyLoss', use_sigmoid=False, loss_weight=0.4)),
        dict(
            type='OCRHead',
            in_channels=[18, 36, 72, 144],
            in_index=(0, 1, 2, 3),
            input_transform='resize_concat',
            channels=512,
            ocr_channels=256,
            dropout_ratio=-1,
            num_classes=21,
            norm_cfg=norm_cfg,
            align_corners=False,
            loss_decode=dict(
                type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)),
    ])