#erodila - (morphological) erode,dilate....
import cv2
import numpy as np

image = cv2.imread('erod.jpg', 0)  

invert = cv2.bitwise_not(image)

kernel = np.ones((5, 5), np.uint8)#structuring element

erosion = cv2.erode(invert, kernel, iterations=1)

dilation = cv2.dilate(invert, kernel, iterations=1)

opening = cv2.morphologyEx(invert, cv2.MORPH_OPEN, kernel)

closing = cv2.morphologyEx(invert, cv2.MORPH_CLOSE, kernel)

cv2.imshow('Original Image', image)
cv2.imshow('Erosion', erosion)
cv2.imshow('Dilation', dilation)
cv2.imshow('Opening', opening)
cv2.imshow('Closing', closing)


cv2.waitKey(0)
cv2.destroyAllWindows()