pgm7

import cv2

import numpy as np

import matplotlib.pyplot as plt

img = cv2.imread('/content/f1.jpeg')

height, width = img.shape[:2]

quad1 = img[:height//2, :width//2]

quad2 = img[:height//2, width//2:]

quad3 = img[height//2:, :width//2]

quad4 = img[height//2:, width//2:]

plt.figure(figsize=(10, 5))

plt.subplot(1, 2, 1)

plt.imshow(quad1)

plt.title("up_left")

plt.axis("off")

plt.subplot(1, 2, 2)

plt.imshow(quad2)

plt.title("up_right")

plt.axis("off")

plt.figure(figsize=(10, 5))

plt.subplot(1, 2, 1)

plt.imshow(quad3)

plt.title("down_left")

plt.axis("off")

plt.subplot(1, 2, 2)

plt.imshow(quad4)

plt.title("down_right")

plt.axis("off")

plt.show()