# ch8/example2.py

import cv2

im = cv2.imread('input/ship.jpg')
gray_im = cv2.cvtColor(im, cv2.COLOR_BGR2GRAY)

cv2.imshow('Grayscale', gray_im)
cv2.waitKey(0)

print(gray_im)
print('Type:', type(gray_im))
print('Shape:', gray_im.shape)
cv2.imwrite('output/gray_ship.jpg', gray_im)

print('Done.')