opencv python在有间隙的表中添加网格线

import cv2
import numpy as np

image = cv2.imread('table.jpg')
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

_, binary = cv2.threshold(gray, 127, 255, cv2.THRESH_BINARY)

horizontal_lines = cv2.ximgproc.createFastLineDetector().detect(binary)
vertical_lines = cv2.ximgproc.createFastLineDetector().detect(cv2.rotate(binary, cv2.ROTATE_90_CLOCKWISE))

for line in horizontal_lines:
    x1, y1, x2, y2 = map(int, line[0])
    cv2.line(image, (x1, y1), (x2, y2), (0, 0, 255), 1, cv2.LINE_AA)

for line in vertical_lines:
    x1, y1, x2, y2 = map(int, line[0])
    cv2.line(image, (x1, y1), (x2, y2), (0, 0, 255), 1, cv2.LINE_AA)

cv2.imshow('Grid Lines', image)
cv2.waitKey(0)
cv2.destroyAllWindows()