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joint.py
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joint.py
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model = dict(
type='Recognizer3D',
backbone=dict(
type='ResNet3dSlowOnly',
in_channels=17,
base_channels=32,
num_stages=3,
out_indices=(2, ),
stage_blocks=(4, 6, 3),
conv1_stride=(1, 1),
pool1_stride=(1, 1),
inflate=(0, 1, 1),
spatial_strides=(2, 2, 2),
temporal_strides=(1, 1, 2)),
cls_head=dict(
type='I3DHead',
in_channels=512,
num_classes=60,
dropout=0.5),
test_cfg=dict(average_clips='prob'))
dataset_type = 'PoseDataset'
ann_file = 'data/nturgbd/ntu60_hrnet.pkl'
left_kp = [1, 3, 5, 7, 9, 11, 13, 15]
right_kp = [2, 4, 6, 8, 10, 12, 14, 16]
train_pipeline = [
dict(type='UniformSampleFrames', clip_len=48),
dict(type='PoseDecode'),
dict(type='PoseCompact', hw_ratio=1., allow_imgpad=True),
dict(type='Resize', scale=(-1, 64)),
dict(type='RandomResizedCrop', area_range=(0.56, 1.0)),
dict(type='Resize', scale=(56, 56), keep_ratio=False),
dict(type='Flip', flip_ratio=0.5, left_kp=left_kp, right_kp=right_kp),
dict(type='GeneratePoseTarget', with_kp=True, with_limb=False),
dict(type='FormatShape', input_format='NCTHW_Heatmap'),
dict(type='Collect', keys=['imgs', 'label'], meta_keys=[]),
dict(type='ToTensor', keys=['imgs', 'label'])
]
val_pipeline = [
dict(type='UniformSampleFrames', clip_len=48, num_clips=1, test_mode=True),
dict(type='PoseDecode'),
dict(type='PoseCompact', hw_ratio=1., allow_imgpad=True),
dict(type='Resize', scale=(64, 64), keep_ratio=False),
dict(type='GeneratePoseTarget', with_kp=True, with_limb=False),
dict(type='FormatShape', input_format='NCTHW_Heatmap'),
dict(type='Collect', keys=['imgs', 'label'], meta_keys=[]),
dict(type='ToTensor', keys=['imgs'])
]
test_pipeline = [
dict(type='UniformSampleFrames', clip_len=48, num_clips=10, test_mode=True),
dict(type='PoseDecode'),
dict(type='PoseCompact', hw_ratio=1., allow_imgpad=True),
dict(type='Resize', scale=(64, 64), keep_ratio=False),
dict(type='GeneratePoseTarget', with_kp=True, with_limb=False, double=True, left_kp=left_kp, right_kp=right_kp),
dict(type='FormatShape', input_format='NCTHW_Heatmap'),
dict(type='Collect', keys=['imgs', 'label'], meta_keys=[]),
dict(type='ToTensor', keys=['imgs'])
]
data = dict(
videos_per_gpu=32,
workers_per_gpu=4,
test_dataloader=dict(videos_per_gpu=1),
train=dict(
type='RepeatDataset',
times=10,
dataset=dict(type=dataset_type, ann_file=ann_file, split='xview_train', pipeline=train_pipeline)),
val=dict(type=dataset_type, ann_file=ann_file, split='xview_val', pipeline=val_pipeline),
test=dict(type=dataset_type, ann_file=ann_file, split='xview_val', pipeline=test_pipeline))
# optimizer
optimizer = dict(type='SGD', lr=0.4, momentum=0.9, weight_decay=0.0003) # this lr is used for 8 gpus
optimizer_config = dict(grad_clip=dict(max_norm=40, norm_type=2))
# learning policy
lr_config = dict(policy='CosineAnnealing', by_epoch=False, min_lr=0)
total_epochs = 24
checkpoint_config = dict(interval=1)
evaluation = dict(interval=1, metrics=['top_k_accuracy', 'mean_class_accuracy'], topk=(1, 5))
log_config = dict(interval=20, hooks=[dict(type='TextLoggerHook')])
log_level = 'INFO'
work_dir = './work_dirs/posec3d/slowonly_r50_ntu60_xview/joint'