# doing all the relevant imports

import matplotlib.pyplot as plt
import matplotlib.image as mpimg
import numpy as np
import cv2

image = mpimg.imread('exit-ramp.jpg')
gray = cv2.cvtColor(image,cv2.COLOR_RGB2GRAY)

kernel_size = 3
blur_gray = cv2.GaussianBlur(gray,(kernel_size,kernel_size),0)

low_threshold = 1
high_threshold = 10
edges = cv2.Canny(blur_gray,low_threshold,high_threshold)

#display image
plt.imshow(edges,cmap='Greys_r')
plt.show()
