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# -*- coding: utf-8 -*-
# Copyright (c) Facebook, Inc. and its affiliates.
"""
This file registers pre-defined datasets at hard-coded paths, and their metadata.
We hard-code metadata for common datasets. This will enable:
1. Consistency check when loading the datasets
2. Use models on these standard datasets directly and run demos,
without having to download the dataset annotations
We hard-code some paths to the dataset that's assumed to
exist in "./datasets/".
Users SHOULD NOT use this file to create new dataset / metadata for new dataset.
To add new dataset, refer to the tutorial "docs/DATASETS.md".
"""
import os
from detectron2.data import DatasetCatalog, MetadataCatalog
from .builtin_meta import ADE20K_SEM_SEG_CATEGORIES, _get_builtin_metadata
from .cityscapes import load_cityscapes_instances, load_cityscapes_semantic
from .cityscapes_panoptic import register_all_cityscapes_panoptic
from .coco import load_sem_seg, register_coco_instances
from .coco_panoptic import register_coco_panoptic, register_coco_panoptic_separated
from .lvis import get_lvis_instances_meta, register_lvis_instances
from .pascal_voc import register_pascal_voc
# ==== Predefined datasets and splits for COCO ==========
_PREDEFINED_SPLITS_COCO = {}
_PREDEFINED_SPLITS_COCO["coco"] = {
"coco_2014_train": ("coco/train2014", "coco/annotations/instances_train2014.json"),
"coco_2014_val": ("coco/val2014", "coco/annotations/instances_val2014.json"),
"coco_2014_minival": ("coco/val2014", "coco/annotations/instances_minival2014.json"),
"coco_2014_valminusminival": (
"coco/val2014",
"coco/annotations/instances_valminusminival2014.json",
),
"coco_2017_train": ("coco/train2017", "coco/annotations/instances_train2017.json"),
"coco_2017_val": ("coco/val2017", "coco/annotations/instances_val2017.json"),
"coco_2017_test": ("coco/test2017", "coco/annotations/image_info_test2017.json"),
"coco_2017_test-dev": ("coco/test2017", "coco/annotations/image_info_test-dev2017.json"),
"coco_2017_val_100": ("coco/val2017", "coco/annotations/instances_val2017_100.json"),
}
_PREDEFINED_SPLITS_COCO["coco_person"] = {
"keypoints_coco_2014_train": (
"coco/train2014",
"coco/annotations/person_keypoints_train2014.json",
),
"keypoints_coco_2014_val": ("coco/val2014", "coco/annotations/person_keypoints_val2014.json"),
"keypoints_coco_2014_minival": (
"coco/val2014",
"coco/annotations/person_keypoints_minival2014.json",
),
"keypoints_coco_2014_valminusminival": (
"coco/val2014",
"coco/annotations/person_keypoints_valminusminival2014.json",
),
"keypoints_coco_2017_train": (
"coco/train2017",
"coco/annotations/person_keypoints_train2017.json",
),
"keypoints_coco_2017_val": ("coco/val2017", "coco/annotations/person_keypoints_val2017.json"),
"keypoints_coco_2017_val_100": (
"coco/val2017",
"coco/annotations/person_keypoints_val2017_100.json",
),
}
_PREDEFINED_SPLITS_COCO_PANOPTIC = {
"coco_2017_train_panoptic": (
# This is the original panoptic annotation directory
"coco/panoptic_train2017",
"coco/annotations/panoptic_train2017.json",
# This directory contains semantic annotations that are
# converted from panoptic annotations.
# It is used by PanopticFPN.
# You can use the script at detectron2/datasets/prepare_panoptic_fpn.py
# to create these directories.
"coco/panoptic_stuff_train2017",
),
"coco_2017_val_panoptic": (
"coco/panoptic_val2017",
"coco/annotations/panoptic_val2017.json",
"coco/panoptic_stuff_val2017",
),
"coco_2017_val_100_panoptic": (
"coco/panoptic_val2017_100",
"coco/annotations/panoptic_val2017_100.json",
"coco/panoptic_stuff_val2017_100",
),
}
def register_all_coco(root):
for dataset_name, splits_per_dataset in _PREDEFINED_SPLITS_COCO.items():
for key, (image_root, json_file) in splits_per_dataset.items():
# Assume pre-defined datasets live in `./datasets`.
register_coco_instances(
key,
_get_builtin_metadata(dataset_name),
os.path.join(root, json_file) if "://" not in json_file else json_file,
os.path.join(root, image_root),
)
for (
prefix,
(panoptic_root, panoptic_json, semantic_root),
) in _PREDEFINED_SPLITS_COCO_PANOPTIC.items():
prefix_instances = prefix[: -len("_panoptic")]
instances_meta = MetadataCatalog.get(prefix_instances)
image_root, instances_json = instances_meta.image_root, instances_meta.json_file
# The "separated" version of COCO panoptic segmentation dataset,
# e.g. used by Panoptic FPN
register_coco_panoptic_separated(
prefix,
_get_builtin_metadata("coco_panoptic_separated"),
image_root,
os.path.join(root, panoptic_root),
os.path.join(root, panoptic_json),
os.path.join(root, semantic_root),
instances_json,
)
# The "standard" version of COCO panoptic segmentation dataset,
# e.g. used by Panoptic-DeepLab
register_coco_panoptic(
prefix,
_get_builtin_metadata("coco_panoptic_standard"),
image_root,
os.path.join(root, panoptic_root),
os.path.join(root, panoptic_json),
instances_json,
)
# ==== Predefined datasets and splits for LVIS ==========
_PREDEFINED_SPLITS_LVIS = {
"lvis_v1": {
"lvis_v1_train": ("coco/", "lvis/lvis_v1_train.json"),
"lvis_v1_val": ("coco/", "lvis/lvis_v1_val.json"),
"lvis_v1_test_dev": ("coco/", "lvis/lvis_v1_image_info_test_dev.json"),
"lvis_v1_test_challenge": ("coco/", "lvis/lvis_v1_image_info_test_challenge.json"),
},
"lvis_v0.5": {
"lvis_v0.5_train": ("coco/", "lvis/lvis_v0.5_train.json"),
"lvis_v0.5_val": ("coco/", "lvis/lvis_v0.5_val.json"),
"lvis_v0.5_val_rand_100": ("coco/", "lvis/lvis_v0.5_val_rand_100.json"),
"lvis_v0.5_test": ("coco/", "lvis/lvis_v0.5_image_info_test.json"),
},
"lvis_v0.5_cocofied": {
"lvis_v0.5_train_cocofied": ("coco/", "lvis/lvis_v0.5_train_cocofied.json"),
"lvis_v0.5_val_cocofied": ("coco/", "lvis/lvis_v0.5_val_cocofied.json"),
},
}
def register_all_lvis(root):
for dataset_name, splits_per_dataset in _PREDEFINED_SPLITS_LVIS.items():
for key, (image_root, json_file) in splits_per_dataset.items():
register_lvis_instances(
key,
get_lvis_instances_meta(dataset_name),
os.path.join(root, json_file) if "://" not in json_file else json_file,
os.path.join(root, image_root),
)
# ==== Predefined splits for raw cityscapes images ===========
_RAW_CITYSCAPES_SPLITS = {
"cityscapes_fine_{task}_train": ("cityscapes/leftImg8bit/train/", "cityscapes/gtFine/train/"),
"cityscapes_fine_{task}_val": ("cityscapes/leftImg8bit/val/", "cityscapes/gtFine/val/"),
"cityscapes_fine_{task}_test": ("cityscapes/leftImg8bit/test/", "cityscapes/gtFine/test/"),
}
def register_all_cityscapes(root):
for key, (image_dir, gt_dir) in _RAW_CITYSCAPES_SPLITS.items():
meta = _get_builtin_metadata("cityscapes")
image_dir = os.path.join(root, image_dir)
gt_dir = os.path.join(root, gt_dir)
inst_key = key.format(task="instance_seg")
DatasetCatalog.register(
inst_key,
lambda x=image_dir, y=gt_dir: load_cityscapes_instances(
x, y, from_json=True, to_polygons=True
),
)
MetadataCatalog.get(inst_key).set(
image_dir=image_dir, gt_dir=gt_dir, evaluator_type="cityscapes_instance", **meta
)
sem_key = key.format(task="sem_seg")
DatasetCatalog.register(
sem_key, lambda x=image_dir, y=gt_dir: load_cityscapes_semantic(x, y)
)
MetadataCatalog.get(sem_key).set(
image_dir=image_dir,
gt_dir=gt_dir,
evaluator_type="cityscapes_sem_seg",
ignore_label=255,
**meta,
)
# ==== Predefined splits for PASCAL VOC ===========
def register_all_pascal_voc(root):
SPLITS = [
("voc_2007_trainval", "VOC2007", "trainval"),
("voc_2007_train", "VOC2007", "train"),
("voc_2007_val", "VOC2007", "val"),
("voc_2007_test", "VOC2007", "test"),
("voc_2012_trainval", "VOC2012", "trainval"),
("voc_2012_train", "VOC2012", "train"),
("voc_2012_val", "VOC2012", "val"),
]
for name, dirname, split in SPLITS:
year = 2007 if "2007" in name else 2012
register_pascal_voc(name, os.path.join(root, dirname), split, year)
MetadataCatalog.get(name).evaluator_type = "pascal_voc"
def register_all_ade20k(root):
root = os.path.join(root, "ADEChallengeData2016")
for name, dirname in [("train", "training"), ("val", "validation")]:
image_dir = os.path.join(root, "images", dirname)
gt_dir = os.path.join(root, "annotations_detectron2", dirname)
name = f"ade20k_sem_seg_{name}"
DatasetCatalog.register(
name, lambda x=image_dir, y=gt_dir: load_sem_seg(y, x, gt_ext="png", image_ext="jpg")
)
MetadataCatalog.get(name).set(
stuff_classes=ADE20K_SEM_SEG_CATEGORIES[:],
image_root=image_dir,
sem_seg_root=gt_dir,
evaluator_type="sem_seg",
ignore_label=255,
)
# True for open source;
# Internally at fb, we register them elsewhere
if __name__.endswith(".builtin"):
# Assume pre-defined datasets live in `./datasets`.
_root = os.path.expanduser(os.getenv("DETECTRON2_DATASETS", "datasets"))
register_all_coco(_root)
register_all_lvis(_root)
register_all_cityscapes(_root)
register_all_cityscapes_panoptic(_root)
register_all_pascal_voc(_root)
register_all_ade20k(_root)
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