STDC/configs/_base_/models/upernet_vit-b16_ln_mln.py
谢昕辰 dff7a968a3
[Fix] fix patch_embed and pos_embed mismatch error (#685)
* fix patch_embed and pos_embed mismatch error

* add docstring

* update unittest

* use downsampled image shape

* use tuple

* remove unused parameters and add doc

* fix init weights function

* revise docstring

* Update vit.py

If -> Whether

* fix lint

Co-authored-by: Junjun2016 <hejunjun@sjtu.edu.cn>
2021-07-19 09:27:10 -07:00

58 lines
1.7 KiB
Python

# model settings
norm_cfg = dict(type='SyncBN', requires_grad=True)
model = dict(
type='EncoderDecoder',
pretrained='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-vitjx/jx_vit_base_p16_224-80ecf9dd.pth', # noqa
backbone=dict(
type='VisionTransformer',
img_size=(512, 512),
patch_size=16,
in_channels=3,
embed_dims=768,
num_layers=12,
num_heads=12,
mlp_ratio=4,
out_indices=(2, 5, 8, 11),
qkv_bias=True,
drop_rate=0.0,
attn_drop_rate=0.0,
drop_path_rate=0.0,
with_cls_token=True,
norm_cfg=dict(type='LN', eps=1e-6),
act_cfg=dict(type='GELU'),
norm_eval=False,
interpolate_mode='bicubic'),
neck=dict(
type='MultiLevelNeck',
in_channels=[768, 768, 768, 768],
out_channels=768,
scales=[4, 2, 1, 0.5]),
decode_head=dict(
type='UPerHead',
in_channels=[768, 768, 768, 768],
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=768,
in_index=3,
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')) # yapf: disable