cv2.PATH code example

Example 1: ModuleNotFoundError: No module named 'cv2'

To solve this run the following
# main opencv
pip install opencv-python
# contrib package for the extra features
pip install opencv-contrib-python

The official installation instructions are on the opencv website.
More info can be found here: 
https://www.pyimagesearch.com/opencv-tutorials-resources-guides/

Example 2: cv2 load image

import numpy as np
    import cv2
    import matplotlib.pyplot as plt
    %matplotlib inline # if you are running this code in jupyter notebook

    img = cv2.imread('/path_to_image/opencv-logo.png',0) # reads image 'opencv-logo.png' as grayscale
    plt.imshow(img, cmap='gray')