import cv2
import numpy as np

image = cv2.imread('elephant2.jpeg')

gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

gaussian_smoothed = cv2.GaussianBlur(gray_image, (5, 5), 0)

median_smoothed = cv2.medianBlur(gray_image, 5)

cv2.imshow("Original Image", gray_image)
cv2.imshow("Gaussian Smoothing - Linear", gaussian_smoothed)
cv2.imshow("Nonlinear Smoothing (Median)", median_smoothed)

cv2.waitKey(0)
cv2.destroyAllWindows()