TITEL

import cv2
import numpy as np

img = cv2.imread("we.png", 0)
lenna = cv2.imread("lenna.png", 1)

kernel = np.ones((5,5),np.uint8)

erosion1 = cv2.erode(img, kernel, iterations = 1)
dilation1 = cv2.dilate(img, kernel, iterations = 1)
opening1 = cv2.morphologyEx(img, cv2.MORPH_OPEN, kernel)
closing1 = cv2.morphologyEx(img, cv2.MORPH_CLOSE, kernel)

kernel = np.ones((7,7),np.uint8)

erosion2 = cv2.erode(lenna, kernel, iterations = 1)
dilation2 = cv2.dilate(lenna, kernel, iterations = 1)
opening2 = cv2.morphologyEx(lenna, cv2.MORPH_OPEN, kernel)
closing2 = cv2.morphologyEx(lenna, cv2.MORPH_CLOSE, kernel)

empty1 = np.zeros(img.shape, np.uint8)
empty2 = np.zeros(lenna.shape, np.uint8)

cv2.namedWindow('zad21', cv2.WINDOW_NORMAL)
cv2.imshow('zad21', np.vstack((
    np.hstack((img, empty1)),
    np.hstack((erosion1, dilation1)),
    np.hstack((opening1, closing1))
)))

cv2.namedWindow('zad22', cv2.WINDOW_NORMAL)
cv2.imshow('zad22', np.vstack((
    np.hstack((lenna, empty2)),
    np.hstack((erosion2, dilation2)),
    np.hstack((opening2, closing2))
)))

cv2.waitKey(0)
cv2.destroyAllWindows()