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"""Dataset settings."""
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dataset_type = "BDD100KDetDataset"
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data_root = "../data/bdd100k/"
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img_norm_cfg = dict(
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mean=[123.675, 116.28, 103.53], std=[58.395, 57.12, 57.375], to_rgb=True
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)
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train_pipeline = [
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dict(type="LoadImageFromFile"),
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dict(type="LoadAnnotations", with_bbox=True),
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dict(type="Resize", img_scale=(1280, 720), keep_ratio=True),
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dict(type="RandomFlip", flip_ratio=0.5),
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dict(type="Normalize", **img_norm_cfg),
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dict(type="Pad", size_divisor=32),
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dict(type="DefaultFormatBundle"),
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dict(type="Collect", keys=["img", "gt_bboxes", "gt_labels"]),
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]
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test_pipeline = [
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dict(type="LoadImageFromFile"),
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dict(
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type="MultiScaleFlipAug",
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img_scale=(1280, 720),
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flip=False,
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transforms=[
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dict(type="Resize", keep_ratio=True),
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dict(type="RandomFlip"),
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dict(type="Normalize", **img_norm_cfg),
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dict(type="Pad", size_divisor=32),
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dict(type="ImageToTensor", keys=["img"]),
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dict(type="Collect", keys=["img"]),
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],
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),
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]
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data = dict(
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samples_per_gpu=4,
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workers_per_gpu=4,
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train=dict(
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type=dataset_type,
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ann_file=data_root + "jsons/det_train_cocofmt.json",
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img_prefix=data_root + "images/100k/train",
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pipeline=train_pipeline,
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),
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val=dict(
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type=dataset_type,
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ann_file=data_root + "jsons/det_val_cocofmt.json",
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img_prefix=data_root + "images/100k/val",
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pipeline=test_pipeline,
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),
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test=dict(
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type=dataset_type,
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ann_file=data_root + "jsons/det_val_cocofmt.json",
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img_prefix=data_root + "images/100k/val",
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pipeline=test_pipeline,
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),
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)
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evaluation = dict(interval=1, metric="bbox")
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