img = cv2.imread('img/cat.png') #img folder is in same file/path as .ipynb file
cv2.imshow('image', img)
cv2.waitKey(0)
cv2.destroyAllWindows()
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')
img = cv2.imread('img.jpg')