convert RGB to grayscale python numpyu code example

Example 1: convert an image to grayscale python using numpy array

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import numpy as np
from PIL import Image

im = np.array(Image.open('kolala.jpeg').convert('L')) #you can pass multiple arguments in single line
print(type(im))

gr_im= Image.fromarray(im).save('gr_kolala.png')

Example 2: rgb to grayscale python

from PIL import Image
img = Image.open('image.png').convert('LA')
img.save('greyscale.png')