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Add gamma

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Andras Schmelczer 2024-06-18 22:55:07 +01:00
parent 388d3d3ce3
commit 8277768df8
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2 changed files with 70 additions and 0 deletions
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src/editor/operations/gamma.ipynb Normal file
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src/editor/operations/gamma.py Normal file
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import numpy as np
from random import choice
from PIL import Image
def adjust_gamma(img: Image, gamma: float) -> Image:
return img.point(lambda x: (x / 255) ** gamma * 255)
def get_random_gamma() -> float:
gamma = np.random.beta(1, 2) * 0.6
return 1 / (1 + gamma) if choice([True, False]) else (gamma + 1)