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norm_cfg = dict(type='SyncBN', requires_grad=True)
backbone = dict(
type='MixVisionTransformer',
in_channels=3,
embed_dims=32,
num_stages=4,
num_layers=[2, 2, 2, 2],
num_heads=[1, 2, 5, 8],
patch_sizes=[7, 3, 3, 3],
sr_ratios=[8, 4, 2, 1],
out_indices=(0, 1, 2, 3),
mlp_ratio=4,
qkv_bias=True,
drop_rate=0.0,
attn_drop_rate=0.0,
drop_path_rate=0.1
)
decode_head = dict(
type='SegformerHead',
in_channels=[32, 64, 160, 256],
in_index=[0, 1, 2, 3],
channels=256,
dropout_ratio=0.1,
out_channels=19,
norm_cfg=norm_cfg,
align_corners=False,
interpolate_mode='bilinear'
)
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