In [15]:

    

import numpy as np
import matplotlib.pyplot as plt
import scipy
import pickle


    

In [54]:

    

print(scipy.__version__)
print(scipy.__file__)


    

    




1.0.1
/home/dario/virtualenvs/learning/lib/python3.6/site-packages/scipy/__init__.py

In [56]:

    

def loadlena():
    f = open('lena.dat','rb')
    lena = np.array(pickle.load(f))
    f.close()
    return lena


    

In [55]:

    

# Set the resize factors
yfactor = 2
xfactor = 3

#Lena's dimensions
LENA_X = 512
LENA_Y = 512


    

In [18]:

    

lena = loadlena()


    

In [51]:

    

np.testing.assert_equal((LENA_X, LENA_Y), lena.shape)


    

In [52]:

    

resized = lena.repeat(yfactor, axis=0).repeat(xfactor, axis=1)


    

In [53]:

    

plt.subplot(211)
plt.title("Lena")
plt.axis("off")
plt.imshow(lena)

plt.subplot(212)
plt.title("Resized")
plt.axis("off")
plt.imshow(resized)
plt.show()


    

In [32]:

    




    

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