sourcecode.py

#input your code
import cv2
import pyzbar.pyzbar as pyzbar
import numpy as np

def decode(image):
    for object in pyzbar.decode(image):
        print("DATA : ", object.data, '\n')
    return pyzbar.decode(image)

def display(image, decoded_objects):
    for decode_object in decoded_objects:
        points = decode_object.polygon

        if len(points) > 4:
            convex_hull = cv2.convexHull(np.array([point for point in points], dtype=np.float32))
            convex_hull = list(map(tuple, np.squeeze(convex_hull)))
        else:
            convex_hull = points

        n = len(convex_hull)

        for j in range(0, n):
            cv2.line(image, convex_hull[j], convex_hull[(j + 1) % n], (255, 0, 0), 3)

    cv2.imshow("Result", image)
    cv2.waitKey(0)

if __name__ == '__main__':
    image = cv2. imread('QR_gachonuniversity.jpg')
    decoded = decode(image)
    display(image, decoded)