python opencv 1

grey scale

resize

half size

rotate

//cmd

pip install opencv-python

//main.py

import cv2

img = cv2.imread('assets/beach.jpg', 1)

#img = cv2.resize(img, (384, 216))

img = cv2.resize(img, (0, 0), fx=0.5, fy=0.5)

img = cv2.rotate(img, cv2.ROTATE_90_COUNTERCLOCKWISE)

cv2.imwrite('new_img.jpg', img)

cv2.imshow('beach image', img)

cv2.waitKey(0)

cv2.destroyAllWindows()

reference:

https://www.youtube.com/watch?v=qCR2Weh64h4