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norm_cfg = dict(type='SyncBN', requires_grad=True) | |
custom_imports = dict(imports='mmpretrain.models', allow_failed_imports=False) | |
checkpoint_file = 'https://download.openmmlab.com/mmclassification/v0/convnext/downstream/convnext-base_3rdparty_32xb128-noema_in1k_20220301-2a0ee547.pth' # noqa | |
data_preprocessor = dict( | |
type='SegDataPreProcessor', | |
mean=[123.675, 116.28, 103.53], | |
std=[58.395, 57.12, 57.375], | |
bgr_to_rgb=True, | |
pad_val=0, | |
seg_pad_val=255) | |
model = dict( | |
type='EncoderDecoder', | |
data_preprocessor=data_preprocessor, | |
pretrained=None, | |
backbone=dict( | |
type='mmpretrain.ConvNeXt', | |
arch='base', | |
out_indices=[0, 1, 2, 3], | |
drop_path_rate=0.4, | |
layer_scale_init_value=1.0, | |
gap_before_final_norm=False, | |
init_cfg=dict( | |
type='Pretrained', checkpoint=checkpoint_file, | |
prefix='backbone.')), | |
decode_head=dict( | |
type='UPerHead', | |
in_channels=[128, 256, 512, 1024], | |
in_index=[0, 1, 2, 3], | |
pool_scales=(1, 2, 3, 6), | |
channels=512, | |
dropout_ratio=0.1, | |
num_classes=19, | |
norm_cfg=norm_cfg, | |
align_corners=False, | |
loss_decode=dict( | |
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)), | |
auxiliary_head=dict( | |
type='FCNHead', | |
in_channels=384, | |
in_index=2, | |
channels=256, | |
num_convs=1, | |
concat_input=False, | |
dropout_ratio=0.1, | |
num_classes=19, | |
norm_cfg=norm_cfg, | |
align_corners=False, | |
loss_decode=dict( | |
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=0.4)), | |
# model training and testing settings | |
train_cfg=dict(), | |
test_cfg=dict(mode='whole')) | |