import cv2
import numpy as np

path = 'test.jpg'
img = cv2.imread(path,0)

print(img)
height,width = img.shape       # 440 * 455

new_arr = np.zeros((height+2,width+2), dtype = int)

#for i in range(height):
#   for j in range(width):
#      new_arr[i+1][j+1] = img[i][j]

new_arr[1:height+1,1:width+1] = img
print(new_arr)


cv2.imshow('new image',new_arr)
cv2.waitKey(0)
cv2.destroyAllWindows()