Python’s Matplotlib is a powerful plotting library with a huge collection of plotting functions for the variety of plot types. It also has imshow() function to render an image. It gives additional facilities such as zooming, saving etc.

Example

Ensure that Matplotlib is installed in the current working environment before running the following program.

import numpy as np
import cv2
import matplotlib.pyplot as plt
# Load an color image in grayscale
img = cv2.imread(''OpenCV_Logo.png'',0)
plt.imshow(img)
plt.show()

Output