Drawing Lines on Images Using cv2.line() in Python OpenCV

In this tutorial, we will use an example to show you how to draw lines on an image using cv2.line() in python opencv. You can do it step by step.

1.Read an image and get height and width

import cv2

image = cv2.imread('C:/Users/N/Desktop/test.jpg')

height = image.shape[0]
width = image.shape[1]

2.Use cv2.line() to draw lines

cv2.line(image, (20,10), (100,10), (255,0,0), 2)
cv2.line(image, (0,0), (width, height), (0,0,255), 12)

3.Display image

cv2.imshow("Image", image)
   
cv2.waitKey(0)
cv2.destroyAllWindows()

Run this code, you will find:

Cocyer