10.2

'''
Učitati sliku chalk.tif i korigovati osvetljenje koristeći gama korekciju sa faktorom 1.5.
'''

import plotly.express as px
from skimage import io

img = io.imread('chalk.tif')
fig = px.imshow(img)
fig.show()

import numpy as np


def gammaCorrection(input, gamma):
    c = 255 ** (1 - gamma)
    LUT = c * np.arange(0, 256) ** gamma
    LUT = LUT.astype('uint8')
    return LUT[input]


img_gamma = gammaCorrection(img, 1.5)
fig = px.imshow(img_gamma)
fig.show()