microsoft--unilm
wehub-resource-sync
105 行
4.1 KiB
Python
105 行
4.1 KiB
Python
import os
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from PIL import Image
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import xml.etree.ElementTree as ET
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import numpy as np
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import json
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from PIL import Image
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from shutil import copyfile
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def convert(ROOT, TRACK, SPLIT):
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coco_data = {
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"images": [],
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"annotations": [],
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"categories": [{"id": 1, "name": "table"}, ],
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}
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DATA_DIR = f"{ROOT}/{TRACK}/{SPLIT}"
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prefix = "cTDaR_t0" if TRACK == "trackA_archival" else "cTDaR_t1"
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print(TRACK, SPLIT, prefix)
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table_count = 0
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for file in sorted(os.listdir(DATA_DIR)):
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if file.startswith(prefix) and file.endswith(".jpg"):
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img = Image.open(os.path.join(DATA_DIR, file))
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coco_data["images"].append(
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{
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"file_name": file,
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"height": img.height,
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"width": img.width,
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"id": int(file[7:-4]),
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}
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)
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elif file.startswith(prefix) and file.endswith(".xml"):
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# print(file)
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tree = ET.parse(os.path.join(DATA_DIR, file))
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root = tree.getroot()
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assert len(root.findall("./table/Coords")) > 0
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for table_id in range(len(root.findall("./table/Coords"))):
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four_points = root.findall("./table/Coords")[table_id].attrib["points"]
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four_points = list(map(lambda x: x.split(","), four_points.split()))
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four_points = [[int(j) for j in i] for i in four_points]
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segmentation = [j for i in four_points for j in i]
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bbox = [
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four_points[0][0],
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four_points[0][1],
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four_points[2][0] - four_points[0][0],
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four_points[2][1] - four_points[0][1],
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]
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coco_data["annotations"].append(
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{
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"segmentation": [segmentation],
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"area": bbox[2] * bbox[3],
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"iscrowd": 0,
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"image_id": int(file[7:-4]),
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"bbox": bbox,
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"category_id": 1,
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"id": table_count,
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}
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)
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table_count += 1
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with open(f"{ROOT}/{TRACK}/{SPLIT}.json", "w") as f:
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json.dump(coco_data, f)
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def clean_img(DATA_DIR):
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for file in sorted(os.listdir(DATA_DIR)):
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if file.endswith(".JPG"):
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os.rename(os.path.join(DATA_DIR, file), os.path.join(DATA_DIR, file.replace(".JPG", ".jpg")))
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elif file.endswith(".TIFF"):
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img = Image.open(os.path.join(DATA_DIR, file))
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img.save(os.path.join(DATA_DIR, file.replace(".TIFF", ".jpg")))
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os.remove(os.path.join(DATA_DIR, file))
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elif file.endswith(".png"):
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img = Image.open(os.path.join(DATA_DIR, file))
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img.save(os.path.join(DATA_DIR, file.replace(".png", ".jpg")))
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os.remove(os.path.join(DATA_DIR, file))
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument('--root_dir', required=True)
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parser.add_argument('--target_dir', required=True)
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args = parser.parse_args()
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test_data_dir = os.path.join(args.root_dir, 'test', 'TRACKA')
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test_gt_dir = os.path.join(args.root_dir, 'test_ground_truth', 'TRACKA')
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training_data_dir = os.path.join(args.root_dir, 'training', 'TRACKA', 'ground_truth')
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raw_datas = {"train": [training_data_dir], "test": [test_data_dir, test_gt_dir]}
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TRACKS = ["trackA_modern", "trackA_archival"]
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SPLITS = ["train", "test"]
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for track in TRACKS:
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prefix = "cTDaR_t0" if track == "trackA_archival" else "cTDaR_t1"
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for split in SPLITS:
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os.makedirs(os.path.join(args.target_dir, track, split))
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for source_dir in raw_datas[split]:
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for fn in os.listdir(source_dir):
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if fn.startswith(prefix):
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ffn = os.path.join(source_dir, fn)
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copyfile(ffn, os.path.join(args.target_dir, track, split, fn))
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clean_img(os.path.join(args.target_dir, track, split))
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convert(args.target_dir, track, split)
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