image pixels visualization in python

vezi_pixeli

 #import modulele necesare
import matplotlib.pyplot as plt
%matplotlib inline
import numpy as np
from skimage.io import imread
from skimage.transform import resize
#incarc o imagine. Oroginal, este o fotografie color, insa incarcarea o fac in alb-negru (tonuri de gri)
image = imread('/Users/dan/Desktop/codrutza.jpg',as_grey=True)
image = resize(image,(56,56),mode='reflect')
print('Aceasta imagine este de tipul: ',type(image), 'si are dimensiunile:', image.shape)
plt.imshow(image,cmap='gray')

#hai sa vedem si pixelii
def vezi_pixeli(img, ax):
    ax.imshow(img, cmap='gray')
    width, height = img.shape
    thresh = img.max()/2.5
    for x in range(width):
        for y in range(height):
            ax.annotate(str(round(img[x][y],2)), xy=(y,x),
                        horizontalalignment='center',
                        verticalalignment='center',
                        color='white' if img[x][y]<thresh else 'black')
fig = plt.figure(figsize = (24,24))
ax = fig.add_subplot(111)
vezi_pixeli(image, ax)
print("Acum se vede clar cum o imagine poate fi inteleasa matematic ca o matrice. In cazul meu, o matrice cu 56 de linii si 56 de coloane")