Hough_probablistic_transform.py

import cv2
import numpy as np

img = cv2.imread('roads.png')
gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
edges = cv2.Canny(img,50,150,apertureSize = 3)
cv2.imshow('Edges',edges)
lines = cv2.HoughLinesP(edges, 1 ,np.pi/180,100,minLineLength = 100,
                        maxLineGap = 10)

for line in lines:
    x1,y1,x2,y2 = line[0]
    cv2.line(img,(x1,y1),(x2,y2),(0,255,0),2)
    
cv2.imshow('image',img)
k = cv2.waitKey(0)
cv2.destroyAllWindows()