Python imutils 填充图片周边为黑色的实现

import imutils
import cv2
image = cv2.imread('') 
# translate the image x=25 pixels to the right and y=75 pixels up
translated = imutils.translate(image, -75, 75)
cv2.imshow('original image',image)
cv2.imshow('translated',translated)
cv2.waitKey(0)