Erode.py

import numpy as np
import cv2
from matplotlib import pyplot as plt
img = cv2.imread("imgs/chapter5/a.jpg", 0); 
img = cv2.resize(img, (256, 256));
ret,img = cv2.threshold(img,0,255,cv2.THRESH_BINARY+cv2.THRESH_OTSU)

kernel = np.ones((11,11),np.uint8)
eroded = cv2.erode(img,kernel,iterations = 1)


f = plt.figure(figsize=(15,15))
f.add_subplot(1, 2, 1).set_title('Original Image');
plt.imshow(img, cmap = "gray")
f.add_subplot(1, 2, 2).set_title('Eroded Image');
plt.imshow(eroded, cmap = "gray");
plt.show()