OpenCV 3 Computer Vision with Python Cookbook

How to do it...

To get the result, it's necessary to go through a few steps:

1. Import all necessary modules:

import cv2, numpy as np

2. Create a matrix of a certain shape and fill it with 255 as a value, which should display the following:

image = np.full((480, 640, 3), 255, np.uint8)cv2.imshow('white', image)cv2.waitKey()cv2.destroyAllWindows()

3. Create a matrix and set individual values for the colors of each pixel to color our matrix red:

image = np.full((480, 640, 3), (0, 0, 255), np.uint8)cv2.imshow('red', image)cv2.waitKey()cv2.destroyAllWindows()

4. Fill our matrix with zeros to make it black:

image.fill(0)cv2.imshow('black', image)cv2.waitKey()cv2.destroyAllWindows()

5. Next, set some individual pixels' values to white:

image[240, 160] ...