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glenrobertson/white_noise_image.py

Created April 3, 2012 00:05
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get PIL white noise image
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white_noise_image.py
from PIL import Image
def get_white_noise_image(width, height):
pil_map = Image.new("RGBA", (width, height), 255)
random_grid = map(lambda x: (
int(random.random() * 256),
int(random.random() * 256),
int(random.random() * 256)
), [0] * width * height)
pil_map.putdata(random_grid)
return pil_map
@hackgoofer
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if you use python3: pil_map.putdata(list(random_grid))

@SamuelGabriel
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SamuelGabriel commented Sep 21, 2020 •
edited
Loading

It is much cheaper to do:

from PIL import Image
def get_white_noise_image(w,h):
    pil_map = Image.fromarray(np.random.randint(0,255,(w,h,3),dtype=np.dtype('uint8')))
    return pil_map

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