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[Feature] Add hrformer backbone (#1203)
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* hrformer

* modify cfg

* update url and readme for hrformer.

* add readme for hrformer papar

* modify reaadme

* fix publish year

Co-authored-by: ly015 <[email protected]>
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zengwang430521 and ly015 committed Mar 7, 2022
1 parent 546a1e4 commit b168781
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -189,6 +189,7 @@ Supported [datasets](https://mmpose.readthedocs.io/en/latest/datasets.html):
* [x] [MobilenetV2](https://mmpose.readthedocs.io/en/latest/papers/backbones.html#mobilenetv2-cvpr-2018) (CVPR'2018)
* [x] [ResNetV1D](https://mmpose.readthedocs.io/en/latest/papers/backbones.html#resnetv1d-cvpr-2019) (CVPR'2019)
* [x] [ResNeSt](https://mmpose.readthedocs.io/en/latest/papers/backbones.html#resnest-arxiv-2020) (ArXiv'2020)
* [x] [HRFormer](https://mmpose.readthedocs.io/en/latest/papers/backbones.html#hrformer-nips-2021) (NIPS'2021)

</details>

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1 change: 1 addition & 0 deletions README_CN.md
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Expand Up @@ -187,6 +187,7 @@ MMPose 也提供了其他更详细的教程:
* [x] [MobilenetV2](https://mmpose.readthedocs.io/zh_CN/latest/papers/backbones.html#mobilenetv2-cvpr-2018) (CVPR'2018)
* [x] [ResNetV1D](https://mmpose.readthedocs.io/zh_CN/latest/papers/backbones.html#resnetv1d-cvpr-2019) (CVPR'2019)
* [x] [ResNeSt](https://mmpose.readthedocs.io/zh_CN/latest/papers/backbones.html#resnest-arxiv-2020) (ArXiv'2020)
* [x] [HRFormer](https://mmpose.readthedocs.io/zh_CN/latest/papers/backbones.html#hrformer-nips-2021) (NIPS'2021)

</details>

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log_level = 'INFO'
load_from = None
resume_from = None
dist_params = dict(backend='nccl')
workflow = [('train', 1)]
checkpoint_config = dict(interval=5, create_symlink=False)
evaluation = dict(interval=10, metric='mAP', key_indicator='AP')

optimizer = dict(
type='AdamW',
lr=5e-4,
betas=(0.9, 0.999),
weight_decay=0.01,
paramwise_cfg=dict(
custom_keys={'relative_position_bias_table': dict(decay_mult=0.)}))

optimizer_config = dict(grad_clip=None)
# learning policy
lr_config = dict(
policy='step',
warmup='linear',
warmup_iters=500,
warmup_ratio=0.001,
step=[170, 200])
total_epochs = 210
log_config = dict(
interval=50, hooks=[
dict(type='TextLoggerHook'),
])

channel_cfg = dict(
num_output_channels=17,
dataset_joints=17,
dataset_channel=[
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16],
],
inference_channel=[
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
])

# model settings
norm_cfg = dict(type='SyncBN', requires_grad=True)
model = dict(
type='TopDown',
pretrained='https://download.openmmlab.com/mmpose/'
'pretrain_models/hrformer_base-32815020_20220226.pth',
backbone=dict(
type='HRFormer',
in_channels=3,
norm_cfg=norm_cfg,
extra=dict(
drop_path_rate=0.2,
with_rpe=False,
stage1=dict(
num_modules=1,
num_branches=1,
block='BOTTLENECK',
num_blocks=(2, ),
num_channels=(64, ),
num_heads=[2],
mlp_ratios=[4]),
stage2=dict(
num_modules=1,
num_branches=2,
block='HRFORMERBLOCK',
num_blocks=(2, 2),
num_channels=(78, 156),
num_heads=[2, 4],
mlp_ratios=[4, 4],
window_sizes=[7, 7]),
stage3=dict(
num_modules=4,
num_branches=3,
block='HRFORMERBLOCK',
num_blocks=(2, 2, 2),
num_channels=(78, 156, 312),
num_heads=[2, 4, 8],
mlp_ratios=[4, 4, 4],
window_sizes=[7, 7, 7]),
stage4=dict(
num_modules=2,
num_branches=4,
block='HRFORMERBLOCK',
num_blocks=(2, 2, 2, 2),
num_channels=(78, 156, 312, 624),
num_heads=[2, 4, 8, 16],
mlp_ratios=[4, 4, 4, 4],
window_sizes=[7, 7, 7, 7]))),
keypoint_head=dict(
type='TopdownHeatmapSimpleHead',
in_channels=78,
out_channels=channel_cfg['num_output_channels'],
num_deconv_layers=0,
extra=dict(final_conv_kernel=1, ),
loss_keypoint=dict(type='JointsMSELoss', use_target_weight=True)),
train_cfg=dict(),
test_cfg=dict(
flip_test=True,
post_process='default',
shift_heatmap=True,
modulate_kernel=11))

data_root = 'data/coco'
data_cfg = dict(
image_size=[192, 256],
heatmap_size=[48, 64],
num_output_channels=channel_cfg['num_output_channels'],
num_joints=channel_cfg['dataset_joints'],
dataset_channel=channel_cfg['dataset_channel'],
inference_channel=channel_cfg['inference_channel'],
soft_nms=False,
nms_thr=1.0,
oks_thr=0.9,
vis_thr=0.2,
use_gt_bbox=False,
det_bbox_thr=0.0,
bbox_file=f'{data_root}/person_detection_results/'
'COCO_val2017_detections_AP_H_56_person.json',
)

train_pipeline = [
dict(type='LoadImageFromFile'),
dict(type='TopDownRandomFlip', flip_prob=0.5),
dict(
type='TopDownHalfBodyTransform',
num_joints_half_body=8,
prob_half_body=0.3),
dict(
type='TopDownGetRandomScaleRotation', rot_factor=40, scale_factor=0.5),
dict(type='TopDownAffine'),
dict(type='ToTensor'),
dict(
type='NormalizeTensor',
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225]),
dict(type='TopDownGenerateTarget', sigma=2),
dict(
type='Collect',
keys=['img', 'target', 'target_weight'],
meta_keys=[
'image_file', 'joints_3d', 'joints_3d_visible', 'center', 'scale',
'rotation', 'bbox_score', 'flip_pairs'
]),
]

val_pipeline = [
dict(type='LoadImageFromFile'),
dict(type='TopDownAffine'),
dict(type='ToTensor'),
dict(
type='NormalizeTensor',
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225]),
dict(
type='Collect',
keys=['img'],
meta_keys=[
'image_file', 'center', 'scale', 'rotation', 'bbox_score',
'flip_pairs'
]),
]

test_pipeline = val_pipeline

data = dict(
samples_per_gpu=32,
workers_per_gpu=2,
val_dataloader=dict(samples_per_gpu=32),
test_dataloader=dict(samples_per_gpu=32),
train=dict(
type='TopDownCocoDataset',
ann_file=f'{data_root}/annotations/person_keypoints_train2017.json',
img_prefix=f'{data_root}/train2017/',
data_cfg=data_cfg,
pipeline=train_pipeline),
val=dict(
type='TopDownCocoDataset',
ann_file=f'{data_root}/annotations/person_keypoints_val2017.json',
img_prefix=f'{data_root}/val2017/',
data_cfg=data_cfg,
pipeline=val_pipeline),
test=dict(
type='TopDownCocoDataset',
ann_file=f'{data_root}/annotations/person_keypoints_val2017.json',
img_prefix=f'{data_root}/val2017/',
data_cfg=data_cfg,
pipeline=val_pipeline),
)

# fp16 settings
fp16 = dict(loss_scale='dynamic')
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