import cv2
img = cv2.imread('lena.jpg')
img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
canny = cv2.Canny(img, 200, 255)
cv2.imshow('canny edge ', canny)
cv2.waitKey(0)
cv2.destroyAllWindows()

80a730df28aa1df449f1babcb02f70502a405ea1
<mask token>

<mask token>
cv2.imshow('canny edge ', canny)
cv2.waitKey(0)
cv2.destroyAllWindows()

<mask token>
img = cv2.imread('lena.jpg')
img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
canny = cv2.Canny(img, 200, 255)
cv2.imshow('canny edge ', canny)
cv2.waitKey(0)
cv2.destroyAllWindows()

import cv2
img = cv2.imread('lena.jpg')
img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
canny = cv2.Canny(img, 200, 255)
cv2.imshow('canny edge ', canny)
cv2.waitKey(0)
cv2.destroyAllWindows()
