10.6

'''
Sa slike elementi.bmp izdvojiti plave elemente koristeći HSV domen.
'''

import plotly.express as px
from skimage import io
import numpy as np

img = io.imread('elementi.bmp')
fig = px.imshow(img)
fig.show()

from skimage import color

img_hsv = color.rgb2hsv(img)
fig = px.imshow(img_hsv[:,:,0], color_continuous_scale='gray')
fig.show()

mb = (0.55 < img_hsv[:,:,0]) & (img_hsv[:,:,0] < 0.65)
fig = px.imshow(mb, color_continuous_scale='gray')
fig.show()

fig = px.imshow(img_hsv[:,:,1], color_continuous_scale='gray')
fig.show()

ms = img_hsv[:,:,1] > 0.35
fig = px.imshow(ms, color_continuous_scale='gray')
fig.show()

m = mb & ms
fig = px.imshow(m, color_continuous_scale='gray')
fig.show()

img_masked = img * np.stack((m,m,m),axis=2)
fig = px.imshow(img_masked)
fig.show()