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January 24, 2019 15:19
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| import numpy as np | |
| import matplotlib.pyplot as plt | |
| import matplotlib.image as mpimg | |
| def do_something(img): | |
| return np.dot(img[...,:3], [0.299, 0.587, 0.114]) | |
| img = mpimg.imread('image.png') | |
| result = do_something(img) | |
| plt.imshow(result, cmap = plt.get_cmap('gray')) | |
| plt.show() |
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