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import random
import xml.etree.ElementTree as ET
import cv2
import numpy as np
class XmlViz:
def __init__(self, page_xml="./page_xml.xml"):
self.tree = ET.parse(page_xml, parser=ET.XMLParser(encoding="utf-8"))
self.root = self.tree.getroot()
self.namespace = "{http://schema.primaresearch.org/PAGE/gts/pagecontent/2013-07-15}"
def visualize_xml(self, background_image):
overlay = background_image.copy()
text_polygon_dict = {}
for textregion in self.root.findall(f".//{self.namespace}TextRegion"):
fill_color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
for textline in textregion.findall(f".//{self.namespace}TextLine"):
coords = textline.find(f"{self.namespace}Coords").attrib["points"].split()
points = [tuple(map(int, point.split(","))) for point in coords]
cv2.fillPoly(overlay, [np.array(points)], fill_color)
text = textline.find(f"{self.namespace}TextEquiv").find(f"{self.namespace}Unicode").text
text_polygon_dict[text] = points
# Blend the overlay with the original image
cv2.addWeighted(overlay, 0.5, background_image, 0.5, 0, background_image)
return background_image, text_polygon_dict
if __name__ == "__main__":
pass
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