json2txt.py

import json 
import cv2 
import os 

page70_folder = "/home/tuvu/Downloads/9_11_2025"
save_folder = "vis_img"
os.makedirs(save_folder, exist_ok=True)
for name in os.listdir(page70_folder):
    if name.endswith("json"):
        json_name = os.path.join(page70_folder, name)
        with open(json_name, "r") as f:
            data = json.load(f)

        items = data.get("items", [])
        img_name = name.split('.')[0] + ".png"
        print(img_name)
        image = cv2.imread(os.path.join(page70_folder,img_name))
        print(image.shape)
        # Filter items where type == "label"
        tables = [item for item in items if item.get("type") == "table"]
        for table in tables:
            x, y = 2 * int(table["x"]),2* int(table["y"])
            w, h =2* table["width"], 2 * table["height"]

            top_left = (x, y)
            bottom_right = (x + w, y + h)
            print(top_left, bottom_right)
            cv2.rectangle(image, top_left, bottom_right, (0, 255, 0), 2)  # green box

        # Save or show
        cv2.imwrite(os.path.join(save_folder, img_name), image)