kitti-mono3d.py 3.12 KB
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dataset_type = 'KittiDataset'
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data_root = 'data/kitti/'
class_names = ['Pedestrian', 'Cyclist', 'Car']
input_modality = dict(use_lidar=False, use_camera=True)
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metainfo = dict(classes=class_names)
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# Example to use different file client
# Method 1: simply set the data root and let the file I/O module
# automatically infer from prefix (not support LMDB and Memcache yet)

# data_root = 's3://openmmlab/datasets/detection3d/kitti/'

# Method 2: Use backend_args, file_client_args in versions before 1.1.0rc4
# backend_args = dict(
#     backend='petrel',
#     path_mapping=dict({
#         './data/': 's3://openmmlab/datasets/detection3d/',
#          'data/': 's3://openmmlab/datasets/detection3d/'
#      }))
backend_args = None
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train_pipeline = [
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    dict(type='LoadImageFromFileMono3D', backend_args=backend_args),
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    dict(
        type='LoadAnnotations3D',
        with_bbox=True,
        with_label=True,
        with_attr_label=False,
        with_bbox_3d=True,
        with_label_3d=True,
        with_bbox_depth=True),
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    dict(type='Resize', scale=(1242, 375), keep_ratio=True),
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    dict(type='RandomFlip3D', flip_ratio_bev_horizontal=0.5),
    dict(
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        type='Pack3DDetInputs',
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        keys=[
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            'img', 'gt_bboxes', 'gt_bboxes_labels', 'gt_bboxes_3d',
            'gt_labels_3d', 'centers_2d', 'depths'
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        ]),
]
test_pipeline = [
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    dict(type='LoadImageFromFileMono3D', backend_args=backend_args),
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    dict(type='Resize', scale=(1242, 375), keep_ratio=True),
    dict(type='Pack3DDetInputs', keys=['img'])
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]
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eval_pipeline = [
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    dict(type='LoadImageFromFileMono3D', backend_args=backend_args),
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    dict(type='Pack3DDetInputs', keys=['img'])
]
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train_dataloader = dict(
    batch_size=2,
    num_workers=2,
    persistent_workers=True,
    sampler=dict(type='DefaultSampler', shuffle=True),
    dataset=dict(
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        type=dataset_type,
        data_root=data_root,
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        ann_file='kitti_infos_train.pkl',
        data_prefix=dict(img='training/image_2'),
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        pipeline=train_pipeline,
        modality=input_modality,
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        load_type='fov_image_based',
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        test_mode=False,
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        metainfo=metainfo,
        # we use box_type_3d='Camera' in monocular 3d
        # detection task
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        box_type_3d='Camera',
        backend_args=backend_args))
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val_dataloader = dict(
    batch_size=1,
    num_workers=2,
    persistent_workers=True,
    drop_last=False,
    sampler=dict(type='DefaultSampler', shuffle=False),
    dataset=dict(
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        type=dataset_type,
        data_root=data_root,
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        data_prefix=dict(img='training/image_2'),
        ann_file='kitti_infos_val.pkl',
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        pipeline=test_pipeline,
        modality=input_modality,
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        load_type='fov_image_based',
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        metainfo=metainfo,
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        test_mode=True,
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        box_type_3d='Camera',
        backend_args=backend_args))
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test_dataloader = val_dataloader

val_evaluator = dict(
    type='KittiMetric',
    ann_file=data_root + 'kitti_infos_val.pkl',
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    metric='bbox',
    backend_args=backend_args)
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test_evaluator = val_evaluator
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vis_backends = [dict(type='LocalVisBackend')]
visualizer = dict(
    type='Det3DLocalVisualizer', vis_backends=vis_backends, name='visualizer')