playblurs.py

import cv2
import numpy as np
from matplotlib import pyplot as plt
#img = cv2.imread('~/Downloads/VIRAT_0000_homography_img2world.png')
img = cv2.imread('~/Downloads/opencv*.png')
kernel = np.ones((5,5),np.float32)/25
dst = cv2.filter2D(img,-1,kernel)
plt.subplot(121),plt.imshow(img),plt.title('Original')
plt.xticks([]), plt.yticks([])
plt.subplot(122),plt.imshow(dst),plt.title('Averaging')
plt.xticks([]), plt.yticks([])
plt.show()