Datasets:
Tasks:
Token Classification
Sub-tasks:
parsing
Languages:
English
Multilinguality:
monolingual
Size Categories:
1K<n<10K
Language Creators:
crowdsourced
Annotations Creators:
crowdsourced
Source Datasets:
original
License:
Delete load_script.py
Browse files- load_script.py +0 -186
load_script.py
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"""CORD: A Consolidated Receipt Dataset for Post-OCR Parsing"""
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import json
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import os
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from pathlib import Path
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from typing import Any, Generator
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import datasets
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from PIL import Image
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logger = datasets.logging.get_logger(__name__)
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_CITATION = """\
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@article{park2019cord,
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title={CORD: A Consolidated Receipt Dataset for Post-OCR Parsing},
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author={Park, Seunghyun and Shin, Seung and Lee, Bado and Lee, Junyeop and Surh, Jaeheung and Seo, Minjoon and Lee, Hwalsuk}
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booktitle={Document Intelligence Workshop at Neural Information Processing Systems}
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year={2019}
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}
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"""
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_DESCRIPTION = """\
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CORD (Consolidated Receipt Dataset) with normalized bounding boxes.
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"""
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_URLS = [
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"https://drive.google.com/uc?id=1MqhTbcj-AHXOqYoeoh12aRUwIprzTJYI",
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"https://drive.google.com/uc?id=1wYdp5nC9LnHQZ2FcmOoC0eClyWvcuARU",
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]
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_LABELS = [
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"menu.cnt",
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"menu.discountprice",
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"menu.etc",
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"menu.itemsubtotal",
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"menu.nm",
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"menu.num",
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"menu.price",
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"menu.sub_cnt",
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"menu.sub_etc",
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"menu.sub_nm",
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"menu.sub_price",
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"menu.sub_unitprice",
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"menu.unitprice",
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"menu.vatyn",
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"sub_total.discount_price",
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"sub_total.etc",
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"sub_total.othersvc_price",
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"sub_total.service_price",
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"sub_total.subtotal_price",
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"sub_total.tax_price",
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"total.cashprice",
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"total.changeprice",
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"total.creditcardprice",
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"total.emoneyprice",
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"total.menuqty_cnt",
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"total.menutype_cnt",
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"total.total_etc",
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"total.total_price",
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"void_menu.nm",
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"void_menu.price",
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]
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def load_image(image_path: str) -> tuple:
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image = Image.open(image_path).convert("RGB")
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return image, image.size
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def quad_to_bbox(quad: dict) -> list:
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return [
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quad["x3"],
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quad["y1"],
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quad["x1"],
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quad["y3"],
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]
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def normalize_bbox(bbox: list, width: int, height: int) -> list:
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return [
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int(1000 * (bbox[0] / width)),
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int(1000 * (bbox[1] / height)),
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int(1000 * (bbox[2] / width)),
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int(1000 * (bbox[3] / height)),
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]
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class CORDConfig(datasets.BuilderConfig):
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"""BuilderConfig for CORD."""
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def __init__(self, **kwargs) -> None:
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"""BuilderConfig for CORD.
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Args:
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**kwargs: keyword arguments forwarded to super.
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"""
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super(CORDConfig, self).__init__(**kwargs)
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class CORD(datasets.GeneratorBasedBuilder):
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BUILDER_CONFIGS = [
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CORDConfig(
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name="CORD",
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version=datasets.Version("1.0.0"),
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description="CORD (Consolidated Receipt Dataset)",
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),
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]
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def _info(self) -> datasets.DatasetInfo:
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return datasets.DatasetInfo(
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description=_DESCRIPTION,
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features=datasets.Features(
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{
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"id": datasets.Value("string"),
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"words": datasets.Sequence(datasets.Value("string")),
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"bboxes": datasets.Sequence(
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datasets.Sequence(datasets.Value("int64"))
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),
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"labels": datasets.Sequence(
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datasets.features.ClassLabel(names=_LABELS)
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),
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"images": datasets.features.Image(),
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}
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),
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citation=_CITATION,
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homepage="https://github.com/clovaai/cord/",
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)
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def _split_generators(self, dl_manager) -> list:
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base_dir_v1, base_dir_v2 = dl_manager.download_and_extract(_URLS)
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dest_dir = Path(base_dir_v1) / "CORD"
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for split_dir in ["train", "dev", "test"]:
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for type_dir in ["image", "json"]:
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if split_dir == "test" and type_dir == "json":
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continue
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files = (Path(base_dir_v2) / "CORD" / split_dir / type_dir).iterdir()
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for f in files:
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os.rename(f, dest_dir / split_dir / type_dir / f.name)
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return [
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datasets.SplitGenerator(
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name=str(datasets.Split.TRAIN), gen_kwargs={"filepath": dest_dir / "train"}
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),
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datasets.SplitGenerator(
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name=str(datasets.Split.VALIDATION), gen_kwargs={"filepath": dest_dir / "dev"},
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),
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datasets.SplitGenerator(
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name=str(datasets.Split.TEST), gen_kwargs={"filepath": dest_dir / "test"}
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),
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]
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def _generate_examples(self, **kwargs: Any) -> Generator:
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filepath = kwargs["filepath"]
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logger.info("generating examples from = %s", filepath)
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ann_dir = os.path.join(filepath, "json")
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img_dir = os.path.join(filepath, "image")
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for guid, file in enumerate(sorted(os.listdir(ann_dir))):
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WORDS, BBOXES, LABELS = [], [], []
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file_path = os.path.join(ann_dir, file)
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f = open(file_path)
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data = json.load(f)
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image_path = os.path.join(img_dir, file).replace("json", "png")
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image, (width, height) = load_image(image_path)
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for annotation in data["valid_line"]:
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label, words = annotation["category"], annotation["words"]
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for word in words:
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bbox = normalize_bbox(
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quad_to_bbox(word["quad"]), width=width, height=height
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)
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if min(bbox) >= 0 and max(bbox) <= 1000:
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WORDS.append(word["text"])
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BBOXES.append(bbox)
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LABELS.append(label)
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yield guid, {
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"id": str(guid),
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"images": image,
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"words": WORDS,
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"bboxes": BBOXES,
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"labels": LABELS,
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}
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