forked from open-mmlab/mmaction2
/
tsn_hmdb51.py
92 lines (88 loc) · 3 KB
/
tsn_hmdb51.py
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_base_ = [
'../../../_base_/models/tsn_r50.py', '../../../_base_/schedules/sgd_50e.py',
'../../../_base_/default_runtime.py'
]
# model settings
model = dict(cls_head=dict(num_classes=51))
# dataset settings
dataset_type = 'RawframeDataset'
data_root = 'data/hmdb51/rawframes'
data_root_val = 'data/hmdb51/rawframes'
ann_file_train = 'data/hmdb51/hmdb51_train_split_1_rawframes.txt'
ann_file_val = 'data/hmdb51/hmdb51_val_split_1_rawframes.txt'
ann_file_test = 'data/hmdb51/hmdb51_val_split_1_rawframes.txt'
img_norm_cfg = dict(
mean=[123.675, 116.28, 103.53], std=[58.395, 57.12, 57.375], to_bgr=False)
train_pipeline = [
dict(type='SampleFrames', clip_len=1, frame_interval=1, num_clips=8),
dict(type='RawFrameDecode'),
dict(type='Resize', scale=(-1, 256)),
dict(type='RandomResizedCrop'),
dict(type='Resize', scale=(224, 224), keep_ratio=False),
dict(type='Flip', flip_ratio=0.5),
dict(type='Normalize', **img_norm_cfg),
dict(type='FormatShape', input_format='NCHW'),
dict(type='Collect', keys=['imgs', 'label'], meta_keys=[]),
dict(type='ToTensor', keys=['imgs', 'label'])
]
val_pipeline = [
dict(
type='SampleFrames',
clip_len=1,
frame_interval=1,
num_clips=8,
test_mode=True),
dict(type='RawFrameDecode'),
dict(type='Resize', scale=(-1, 256)),
dict(type='CenterCrop', crop_size=256),
dict(type='Flip', flip_ratio=0),
dict(type='Normalize', **img_norm_cfg),
dict(type='FormatShape', input_format='NCHW'),
dict(type='Collect', keys=['imgs', 'label'], meta_keys=[]),
dict(type='ToTensor', keys=['imgs'])
]
test_pipeline = [
dict(
type='SampleFrames',
clip_len=1,
frame_interval=1,
num_clips=8,
test_mode=True),
dict(type='RawFrameDecode'),
dict(type='Resize', scale=(-1, 256)),
dict(type='CenterCrop', crop_size=256),
dict(type='Flip', flip_ratio=0),
dict(type='Normalize', **img_norm_cfg),
dict(type='FormatShape', input_format='NCHW'),
dict(type='Collect', keys=['imgs', 'label'], meta_keys=[]),
dict(type='ToTensor', keys=['imgs'])
]
data = dict(
videos_per_gpu=32,
workers_per_gpu=4,
train=dict(
type=dataset_type,
ann_file=ann_file_train,
data_prefix=data_root,
pipeline=train_pipeline),
val=dict(
type=dataset_type,
ann_file=ann_file_val,
data_prefix=data_root_val,
pipeline=val_pipeline),
test=dict(
type=dataset_type,
ann_file=ann_file_val,
data_prefix=data_root_val,
pipeline=test_pipeline))
evaluation = dict(
interval=1, metrics=['top_k_accuracy', 'mean_class_accuracy'], topk=(1, 5))
# optimizer
optimizer = dict(type='SGD', lr=0.025, momentum=0.9, weight_decay=0.0001)
lr_config = dict(policy='step', step=[20, 40])
total_epochs = 50
# runtime settings
checkpoint_config = dict(interval=5)
work_dir = './work_dirs/vclr/hmdb51'
load_from = '/home/ubuntu/mmaction2/checkpoints/vclr_mm.pth' # noqa: E501
gpu_ids = range(0, 1)