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# Copyright 2022 The HuggingFace Datasets Authors and the current dataset script contributor.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# _preprocess_groups(), _parse_node_str(), _load_candidate_subsets() adapted from here :
# https://github.com/Weixin-Liang/MetaShift/blob/main/dataset/generate_full_MetaShift.py
# MIT License
# Copyright (c) 2021 Weixin-Liang
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""MetaShift Dataset."""
import json
import os
import pickle
from collections import Counter, defaultdict
import datasets
from datasets.tasks import ImageClassification
_CITATION = """\
@InProceedings{liang2022metashift,
title={MetaShift: A Dataset of Datasets for Evaluating Contextual Distribution Shifts and Training Conflicts},
author={Weixin Liang and James Zou},
booktitle={International Conference on Learning Representations},
year={2022},
url={https://openreview.net/forum?id=MTex8qKavoS}
}
"""
_DESCRIPTION = """\
The MetaShift is a dataset of datasets for evaluating distribution shifts and training conflicts.
The MetaShift dataset is a collection of 12,868 sets of natural images across 410 classes.
It was created for understanding the performance of a machine learning model across diverse data distributions.
"""
_HOMEPAGE = "https://metashift.readthedocs.io/"
_LICENSE = "Creative Commons Attribution 4.0 International License"
_URLS = {
"image_files": "https://nlp.stanford.edu/data/gqa/images.zip",
"scene_graph_annotations": "https://nlp.stanford.edu/data/gqa/sceneGraphs.zip",
}
_METADATA_URLS = {
"full_candidate_subsets": "https://github.com/Weixin-Liang/MetaShift/raw/main/dataset/meta_data/full-candidate-subsets.pkl",
}
_ATTRIBUTES_URLS = {
"attributes_candidate_subsets": "https://github.com/Weixin-Liang/MetaShift/raw/main/dataset/attributes_MetaShift/attributes-candidate-subsets.pkl",
}
# See https://github.com/Weixin-Liang/MetaShift/blob/main/dataset/meta_data/class_hierarchy.json
# for the full object vocabulary and its hierarchy.
# Since the total number of all subsets is very large, all of the following scripts only generate a subset of MetaShift.
_CLASSES = [
"cat",
"dog",
"bus",
"truck",
"elephant",
"horse",
]
_ATTRIBUTES = [
"cat(orange)",
"cat(white)",
"dog(sitting)",
"dog(jumping)",
]
class MetashiftConfig(datasets.BuilderConfig):
"""BuilderConfig for MetaShift."""
def __init__(
self,
selected_classes=None,
attributes_dataset=False,
attributes=None,
with_image_metadata=False,
image_subset_size_threshold=25,
min_local_groups=5,
**kwargs,
):
"""BuilderConfig for MetaShift.
Args:
selected_classes: `list[string]`, optional, list of the classes to generate the MetaShift dataset for.
If `None`, the list is equal to `['cat', 'dog', 'bus', 'truck', 'elephant', 'horse']`.
attributes_dataset: `bool`, default `False`, if `True`, the script generates the MetaShift-Attributes dataset.
attributes: `list[string]`, optional, list of attributes classes included in the Attributes dataset.
If `None` and `attributes_dataset` is `True`, it's equal to `["cat(orange)", "cat(white)", "dog(sitting)", "dog(jumping)"]`.
with_image_metadata: `bool`, default `False`, whether to include image metadata.
If set to `True`, this will give additional metadata about each image.
image_subset_size_threshold: `int`, default `25`, the number of images required to be considered a subset.
If the number of images is less than this threshold, the subset is ignored.
min_local_groups: `int`, default `5`, the minimum number of local groups required to be considered an object class.
**kwargs: keyword arguments forwarded to super.
"""
super(MetashiftConfig, self).__init__(**kwargs)
self.selected_classes = _CLASSES if selected_classes is None else selected_classes
self.attributes_dataset = attributes_dataset
if attributes_dataset:
self.attributes = _ATTRIBUTES if attributes is None else attributes
self.with_image_metadata = with_image_metadata
self.IMAGE_SUBSET_SIZE_THRESHOLD = image_subset_size_threshold
self.MIN_LOCAL_GROUPS = min_local_groups
class Metashift(datasets.GeneratorBasedBuilder):
BUILDER_CONFIGS = [
MetashiftConfig(name="metashift", version=datasets.Version("1.0.0")),
]
BUILDER_CONFIG_CLASS = MetashiftConfig
def _info(self):
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=datasets.Features(self._get_feature_types()),
supervised_keys=("image", "label"),
homepage=_HOMEPAGE,
license=_LICENSE,
citation=_CITATION,
task_templates=[ImageClassification(image_column="image", label_column="label")],
)
def _get_feature_types(self):
features = {
"image_id": datasets.Value("string"),
"image": datasets.Image(),
}
if self.config.attributes_dataset:
features.update({"label": datasets.ClassLabel(names=self.config.attributes)})
else:
features.update(
{
"label": datasets.ClassLabel(names=self.config.selected_classes),
"context": datasets.Value("string"),
}
)
if self.config.with_image_metadata:
features.update(
{
"width": datasets.Value("int64"),
"height": datasets.Value("int64"),
"location": datasets.Value("string"),
"weather": datasets.Value("string"),
"objects": datasets.Sequence(
{
"object_id": datasets.Value("string"),
"name": datasets.Value("string"),
"x": datasets.Value("int64"),
"y": datasets.Value("int64"),
"w": datasets.Value("int64"),
"h": datasets.Value("int64"),
"attributes": datasets.Sequence(datasets.Value("string")),
"relations": datasets.Sequence(
{
"name": datasets.Value("string"),
"object": datasets.Value("string"),
}
),
}
),
}
)
return features
@staticmethod
def _parse_node_str(node_str):
tag = node_str.split("(")[-1][:-1]
subject_str = node_str.split("(")[0].strip()
return subject_str, tag
@staticmethod
def _load_candidate_subsets(pkl_save_path):
with open(pkl_save_path, "rb") as pkl_f:
load_data = pickle.load(pkl_f)
return load_data
def _preprocess_groups(self, pkl_save_path, output_files_flag=False, subject_classes=_CLASSES):
IMAGE_SUBSET_SIZE_THRESHOLD = self.config.IMAGE_SUBSET_SIZE_THRESHOLD
trainsg_dupes = set()
##################################
# Load cache data
# Global data dict
# Consult back to this dict for concrete image IDs.
##################################
node_name_to_img_id = self._load_candidate_subsets(pkl_save_path)
##################################
# Build a default counter first
# Data Iteration
##################################
group_name_counter = Counter()
for node_name in node_name_to_img_id.keys():
##################################
# Apply a threshold: e.g., 100
##################################
imageID_set = node_name_to_img_id[node_name]
imageID_set = imageID_set - trainsg_dupes
node_name_to_img_id[node_name] = imageID_set
if len(imageID_set) >= IMAGE_SUBSET_SIZE_THRESHOLD:
group_name_counter[node_name] = len(imageID_set)
else:
pass
most_common_list = group_name_counter.most_common()
most_common_list = [(x, count) for x, count in group_name_counter.items()]
##################################
# Build a subject dict
##################################
subject_group_summary_dict = defaultdict(Counter)
for node_name, imageID_set_len in most_common_list:
subject_str, tag = self._parse_node_str(node_name)
##################################
# TMP: inspect certain class
##################################
if subject_str not in subject_classes:
continue
subject_group_summary_dict[subject_str][node_name] = imageID_set_len
##################################
# Get the subject dict stats
##################################
subject_group_summary_list = sorted(
subject_group_summary_dict.items(), key=lambda x: sum(x[1].values()), reverse=True
)
new_subject_group_summary_list = list()
subjects_to_all_set = defaultdict(set)
##################################
# Subject filtering for dataset generation
##################################
for subject_str, subject_data in subject_group_summary_list:
##################################
# Discard an object class if it has too few local groups
##################################
if len(subject_data) <= self.config.MIN_LOCAL_GROUPS:
# if len(subject_data) <= 10:
continue
else:
new_subject_group_summary_list.append((subject_str, subject_data))
##################################
# Iterate all the subsets of the given subject
##################################
for node_name in subject_data:
subjects_to_all_set[node_name].update(node_name_to_img_id[node_name])
return subjects_to_all_set
@staticmethod
def _load_scene_graph(json_path):
with open(json_path, "r", encoding="utf-8") as f:
scene_graph = json.load(f)
return scene_graph
def _split_generators(self, dl_manager):
data_path = dl_manager.download_and_extract(_URLS)
metadata_path = None
subjects_to_all_set = None
attributes_path = None
if not self.config.attributes_dataset:
metadata_path = dl_manager.download_and_extract(_METADATA_URLS)
subjects_to_all_set = self._preprocess_groups(
metadata_path["full_candidate_subsets"], subject_classes=self.config.selected_classes
)
else:
attributes_path = dl_manager.download_and_extract(_ATTRIBUTES_URLS)
return [
datasets.SplitGenerator(
name=datasets.Split.TRAIN,
gen_kwargs={
"images_path": os.path.join(data_path["image_files"], "images"),
"subjects_to_all_set": subjects_to_all_set,
"attributes_path": attributes_path,
"image_metadata_path": data_path["scene_graph_annotations"],
},
),
]
@staticmethod
def _get_processed_image_metadata(image_id, scene_graph):
image_metadata = scene_graph[image_id]
objects = image_metadata["objects"]
if isinstance(objects, list):
return image_metadata
processed_objects = []
for object_id, object_details in objects.items():
object_details["object_id"] = object_id
processed_objects.append(object_details)
image_metadata["objects"] = processed_objects
if "location" not in image_metadata:
image_metadata["location"] = None
if "weather" not in image_metadata:
image_metadata["weather"] = None
return image_metadata
def _generate_examples(self, images_path, subjects_to_all_set, attributes_path, image_metadata_path):
idx = 0
if self.config.with_image_metadata:
train_scene_graph = os.path.join(image_metadata_path, "train_sceneGraphs.json")
test_scene_graph = os.path.join(image_metadata_path, "val_sceneGraphs.json")
scene_graph = self._load_scene_graph(train_scene_graph)
scene_graph.update(self._load_scene_graph(test_scene_graph))
if not self.config.attributes_dataset:
for subset in subjects_to_all_set:
class_name, context = self._parse_node_str(subset)
for image_id in subjects_to_all_set[subset]:
image_filename = image_id + ".jpg"
src_image_path = os.path.join(images_path, image_filename)
features = {
"image_id": image_id,
"image": src_image_path,
"label": class_name,
"context": context,
}
if self.config.with_image_metadata:
image_metadata = self._get_processed_image_metadata(image_id, scene_graph)
features.update(image_metadata)
yield idx, features
idx += 1
else:
attributes_candidate_subsets = self._load_candidate_subsets(
attributes_path["attributes_candidate_subsets"]
)
for attribute in self.config.attributes:
image_IDs = attributes_candidate_subsets[attribute]
for image_id in image_IDs:
image_filename = image_id + ".jpg"
src_image_path = os.path.join(images_path, image_filename)
features = {
"image_id": image_id,
"image": src_image_path,
"label": attribute,
}
if self.config.with_image_metadata:
image_metadata = self._get_processed_image_metadata(image_id, scene_graph)
features.update(image_metadata)
yield idx, features
idx += 1
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