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| # Copyright (c) Meta Platforms, Inc. and affiliates. | |
| # All rights reserved. | |
| # | |
| # This source code is licensed under the license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| dataset_type = 'YouTubeVISDataset' | |
| data_root = 'data/youtube_vis_2019/' | |
| dataset_version = data_root[-5:-1] # 2019 or 2021 | |
| backend_args = None | |
| # dataset settings | |
| train_pipeline = [ | |
| dict( | |
| type='UniformRefFrameSample', | |
| num_ref_imgs=1, | |
| frame_range=100, | |
| filter_key_img=True), | |
| dict( | |
| type='TransformBroadcaster', | |
| share_random_params=True, | |
| transforms=[ | |
| dict(type='LoadImageFromFile', backend_args=backend_args), | |
| dict(type='LoadTrackAnnotations', with_mask=True), | |
| dict(type='Resize', scale=(640, 360), keep_ratio=True), | |
| dict(type='RandomFlip', prob=0.5), | |
| ]), | |
| dict(type='PackTrackInputs') | |
| ] | |
| test_pipeline = [ | |
| dict( | |
| type='TransformBroadcaster', | |
| transforms=[ | |
| dict(type='LoadImageFromFile', backend_args=backend_args), | |
| dict(type='Resize', scale=(640, 360), keep_ratio=True), | |
| dict(type='LoadTrackAnnotations', with_mask=True), | |
| ]), | |
| dict(type='PackTrackInputs') | |
| ] | |
| # dataloader | |
| train_dataloader = dict( | |
| batch_size=2, | |
| num_workers=2, | |
| persistent_workers=True, | |
| # sampler=dict(type='TrackImgSampler'), # image-based sampling | |
| sampler=dict(type='DefaultSampler', shuffle=True), | |
| batch_sampler=dict(type='TrackAspectRatioBatchSampler'), | |
| dataset=dict( | |
| type=dataset_type, | |
| data_root=data_root, | |
| dataset_version=dataset_version, | |
| ann_file='annotations/youtube_vis_2019_train.json', | |
| data_prefix=dict(img_path='train/JPEGImages'), | |
| pipeline=train_pipeline)) | |
| val_dataloader = dict( | |
| batch_size=1, | |
| num_workers=2, | |
| persistent_workers=True, | |
| drop_last=False, | |
| sampler=dict(type='DefaultSampler', shuffle=False, round_up=False), | |
| dataset=dict( | |
| type=dataset_type, | |
| data_root=data_root, | |
| dataset_version=dataset_version, | |
| ann_file='annotations/youtube_vis_2019_valid.json', | |
| data_prefix=dict(img_path='valid/JPEGImages'), | |
| test_mode=True, | |
| pipeline=test_pipeline)) | |
| test_dataloader = val_dataloader | |