Lecture 2 Reading an image OpenCV Python

thank you.what is alpha channel?

Thanks, this video solved my problem.

I have this error MoudleNotFoundErrorr: no module named 'cv2'

Can we display the image on command terminal

Hi I am getting error AttributeError: module 'cv2' has no attribute 'imshow'
Below is the code:
import cv2

img = cv2.imread('Rose.jpg')

cv2.imshow('FirstImage',img)
cv2.waitKey(0)
cv2.destroyAllWindows()

Can you please help on this code. Running this on spyder