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import json |
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import os |
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import datasets |
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import gdown |
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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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https://github.com/clovaai/cord |
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""" |
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_URL = "https://drive.google.com/uc?id=1MqhTbcj-AHXOqYoeoh12aRUwIprzTJYI" |
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def gdrive_downloader(url, path): |
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gdown.download(url, path, quiet=False) |
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class CordConfig(datasets.BuilderConfig): |
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"""BuilderConfig for CORD""" |
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def __init__(self, **kwargs): |
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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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"""Conll2003 dataset.""" |
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BUILDER_CONFIGS = [ |
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CordConfig(name="cord", version=datasets.Version( |
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"1.0.0"), description="FUNSD dataset"), |
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] |
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def _info(self): |
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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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"tokens": datasets.Sequence(datasets.Value("string")), |
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"bboxes": datasets.Sequence(datasets.Sequence(datasets.Value("int64"))), |
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"roi": datasets.Sequence(datasets.Sequence(datasets.Value("int64"))), |
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"ner_tags": datasets.Sequence( |
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datasets.features.ClassLabel( |
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names=['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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), |
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"image_path": datasets.Value("string"), |
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} |
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), |
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supervised_keys=None, |
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homepage="https://github.com/clovaai/cord", |
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citation=_CITATION, |
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) |
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def _split_generators(self, dl_manager: datasets.DownloadManager): |
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"""Returns SplitGenerators.""" |
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url_or_urls = ['https://drive.google.com/uc?id=1MqhTbcj-AHXOqYoeoh12aRUwIprzTJYI', |
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'https://drive.google.com/uc?id=1wYdp5nC9LnHQZ2FcmOoC0eClyWvcuARU'] |
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downloaded_file = dl_manager.extract( |
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dl_manager.download_custom(url_or_urls, gdrive_downloader)) |
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return [ |
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datasets.SplitGenerator( |
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name=datasets.Split.TRAIN, gen_kwargs={ |
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"filepaths": downloaded_file, "mode": "/CORD/train"} |
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), |
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datasets.SplitGenerator( |
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name=datasets.Split.TEST, gen_kwargs={ |
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"filepaths": downloaded_file, "mode": "/CORD/test"} |
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), |
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datasets.SplitGenerator( |
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name=datasets.Split.VALIDATION, gen_kwargs={ |
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"filepaths": downloaded_file, "mode": "/CORD/dev"} |
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), |
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] |
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def _generate_examples(self, filepaths, mode): |
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guid = -1 |
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for filepath in filepaths: |
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filepath_folder = filepath + mode |
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logger.info("⏳ Generating examples from = %s", filepath_folder) |
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ann_dir = os.path.join(filepath_folder, "json") |
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if not os.path.exists(ann_dir): |
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continue |
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img_dir = os.path.join(filepath_folder, "image") |
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for file in sorted(os.listdir(ann_dir)): |
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guid +=1 |
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tokens = [] |
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bboxes = [] |
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ner_tags = [] |
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file_path = os.path.join(ann_dir, file) |
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with open(file_path, "r", encoding="utf8") as f: |
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data = json.load(f) |
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image_path = os.path.join(img_dir, file) |
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image_path = image_path.replace("json", "png") |
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if not os.path.exists(image_path): |
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other_dir_idx = int(not (filepaths.index(filepath)+2)%2) |
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image_path = image_path.replace( |
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filepath, filepaths[other_dir_idx]) |
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roi = data["roi"] |
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if roi: |
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top_left = [roi["x1"], roi["y1"]] |
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bottom_right = [roi["x3"], roi["y3"]] |
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bottom_left = [roi["x4"], roi["y4"]] |
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top_right = [roi["x2"], roi["y2"]] |
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roi = [top_left, top_right, bottom_right, bottom_left] |
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else: |
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roi = [] |
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for item in data["valid_line"]: |
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for word in item['words']: |
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txt = word['text'] |
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x1 = word['quad']['x1'] |
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y1 = word['quad']['y1'] |
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x3 = word['quad']['x3'] |
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y3 = word['quad']['y3'] |
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box = [x1, y1, x3, y3] |
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if len(txt) < 1: |
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continue |
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tokens.append(txt) |
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bboxes.append(box) |
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ner_tags.append(item['category']) |
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yield guid, {"id": str(guid), "tokens": tokens, "bboxes": bboxes, "ner_tags": ner_tags, "image_path": image_path, "roi":roi} |
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