In [1]:

    

import cv2
import numpy as np
import matplotlib.pyplot as plt
import scipy.ndimage.filters as sci


    

In [2]:

    

gray = cv2.imread('face.jpg', cv2.IMREAD_GRAYSCALE)


    

In [3]:

    

img = cv2.GaussianBlur(gray,(3,3),0)


    

In [4]:

    

edges = cv2.Canny(img,130,180)


    

In [5]:

    

plt.figure(figsize=(20,18))
plt.subplot(2,2,1),plt.imshow(img,cmap = 'gray'), plt.title('Original')
plt.subplot(2,2,2),plt.imshow(edges,cmap = 'gray'), plt.title('Canny')

plt.show()