11. ImageChops lighter

See: https://pillow.readthedocs.io/en/stable/reference/ImageChops.html#PIL.ImageChops.lighter

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11.1. Lighter

Use the ImageChops.lighter(image1, image2) method to compare the two images, pixel by pixel, and returns a new image containing the lighter values.

out = max(image1, image2)

from PIL import Image, ImageChops

with Image.open("test_images/crosses.png") as im1:
    with Image.open("test_images/circles.png") as im2:
        im_out = ImageChops.lighter(im1, im2)
        im_out.save("chops/lighter.png")