Test de lecture d'images sur Jupyterlite/Voici :

from PIL import Image
import numpy as np
import matplotlib
from matplotlib.pyplot import *
import ipywidgets as widgets
import cv2

1) Lecture de l'image avec ipywidgets Image :

file = open("ER2NB.jpg", "rb")
image = file.read()
im1 = widgets.Image(
value=image,
format='png',
width=300,
height=400,
)
display(im1)

2) Lecture de l'image avec PIL (pillow) :

pil_im = Image.open('ER1NB.jpg')
image = np.array(pil_im)
gray()
imshow(image)
axis('off')
show()

cv2 non accessible¶

img1 = cv2.imread("ER2NB.jpg", cv2.IMREAD_GRAYSCALE)
imshow(img1)
axis("off")
show()