10.8

'''
Učitati sliku 2_PET.png i odrediti njen negativ.
Prikazati dobijenu sliku u okviru jet i hsv mape boja.
'''

import plotly.express as px
from skimage import io

img = io.imread('2_PET.png')
fig = px.imshow(img, color_continuous_scale='gray')
fig.show()

img_neg = 255 - img
fig = px.imshow(img_neg, color_continuous_scale='gray')
fig.show()

fig = px.imshow(img_neg, color_continuous_scale='jet')
fig.show()

from matplotlib.cm import get_cmap

cmap = get_cmap('hsv', lut = 256)
img_color = cmap(img_neg)

fig = px.imshow(img_color)
fig.show()