erode dilate opencv python

The solution for this is noted below

erode dilate opencv python

Solution

# Python program to demonstrate erosion and
# dilation of images.
import cv2
import numpy as np

# Reading the input image
img = cv2.imread('input.png', 0)

# Taking a matrix of size 5 as the kernel
kernel = np.ones((5,5), np.uint8)

# The first parameter is the original image,
# kernel is the matrix with which image is
# convolved and third parameter is the number
# of iterations, which will determine how much
# you want to erode/dilate a given image.
img_erosion = cv2.erode(img, kernel, iterations=1)
img_dilation = cv2.dilate(img, kernel, iterations=1)

cv2.imshow('Input', img)
cv2.imshow('Erosion', img_erosion)
cv2.imshow('Dilation', img_dilation)

cv2.waitKey(0)

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