[OpenCV] Python Image Processing - GrayScale

 

import cv2
import numpy as np
import matplotlib.pyplot as plt

img = cv2.imread('Lenna.png', cv2.IMREAD_COLOR);
dst = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

cv2.imshow("img", img)
cv2.imshow("dst", dst)
cv2.waitKey()
cv2.destroyAllWindows()

print(img.shape)
print(img.dtype)
print(img)