11. ImageFilter Emboss

See: https://pillow.readthedocs.io/en/stable/reference/ImageFilter.html#filters

11.1. Emboss

Use the Image.filter(ImageFilter.EMBOSS) method to emboss an image.

from PIL import Image, ImageFilter

with Image.open("test_images/alph_blocks.png") as im:
    new_im = im.filter(ImageFilter.EMBOSS)
    new_im.save("filters/emboss.png")