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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='BiSeNetV2', | |
detail_channels=(64, 64, 128), | |
semantic_channels=(16, 32, 64, 128), | |
semantic_expansion_ratio=6, | |
bga_channels=128, | |
out_indices=(0, 1, 2, 3, 4), | |
init_cfg=None, | |
align_corners=False), | |
decode_head=dict( | |
type='FCNHead', | |
in_channels=128, | |
in_index=0, | |
channels=1024, | |
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=1.0)), | |
auxiliary_head=[ | |
dict( | |
type='FCNHead', | |
in_channels=16, | |
channels=16, | |
num_convs=2, | |
num_classes=19, | |
in_index=1, | |
norm_cfg=norm_cfg, | |
concat_input=False, | |
align_corners=False, | |
loss_decode=dict( | |
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)), | |
dict( | |
type='FCNHead', | |
in_channels=32, | |
channels=64, | |
num_convs=2, | |
num_classes=19, | |
in_index=2, | |
norm_cfg=norm_cfg, | |
concat_input=False, | |
align_corners=False, | |
loss_decode=dict( | |
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)), | |
dict( | |
type='FCNHead', | |
in_channels=64, | |
channels=256, | |
num_convs=2, | |
num_classes=19, | |
in_index=3, | |
norm_cfg=norm_cfg, | |
concat_input=False, | |
align_corners=False, | |
loss_decode=dict( | |
type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0)), | |
dict( | |
type='FCNHead', | |
in_channels=128, | |
channels=1024, | |
num_convs=2, | |
num_classes=19, | |
in_index=4, | |
norm_cfg=norm_cfg, | |
concat_input=False, | |
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')) | |