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# model settings | |
norm_cfg = dict(type='SyncBN', requires_grad=True) | |
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='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, | |
num_classes=19, | |
norm_cfg=norm_cfg, | |
align_corners=False, | |
loss_decode=dict( | |
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)), | |
# model training and testing settings | |
train_cfg=dict(), | |
test_cfg=dict(mode='whole')) | |