In [1]:

    

from scipy import misc
import matplotlib.pyplot as plt
%matplotlib inline


    

In [2]:

    

pint_1 = misc.imread('op.efinf.com/arteMX/iberoamerica/JPG/AEI-INT_00000047.jpg')
pint_2 = misc.imread('op.efinf.com/arteMX/mueble/JPG/EMA-INT_00000002.jpg')
pint_3 = misc.imread('op.efinf.com/arteMX/mueble/JPG/EMA-INT_00000046.jpg')
pint_4 = misc.imread('op.efinf.com/arteMX/101Master/JPG/MAP-INT_00000010.jpg')
pint_5 = misc.imread('op.efinf.com/arteMX/101Master/JPG/MAP-INT_00000005.jpg')
pint_6 = misc.imread('op.efinf.com/arteMX/iberoamerica/JPG/AEI-INT_00000048.jpg')


    

In [3]:

    

fig, axs = plt.subplots(1,6,figsize=(15,15))
axs[0].imshow(pint_1)
axs[1].imshow(pint_2)
axs[2].imshow(pint_3)
axs[3].imshow(pint_4)
axs[4].imshow(pint_5)
axs[5].imshow(pint_6)


    

    
Out[3]:





<matplotlib.image.AxesImage at 0x7feaaeb0cf50>






    

In [4]:

    

def rgb2gray(rgb):
    r, g, b = rgb[:,:,0], rgb[:,:,1], rgb[:,:,2]
    gray = 0.2989 * r + 0.5870 * g + 0.1140 * b
    return gray


    

In [5]:

    

pint_1 = rgb2gray(pint_1)
pint_2 = rgb2gray(pint_2)
pint_3 = rgb2gray(pint_3)
pint_4 = rgb2gray(pint_4)
pint_5 = rgb2gray(pint_5)
pint_6 = rgb2gray(pint_6)


    

In [6]:

    

fig, axs = plt.subplots(1,6, figsize=(15,15))
axs[0].imshow(pint_1)
axs[1].imshow(pint_2)
axs[2].imshow(pint_3)
axs[3].imshow(pint_4)
axs[4].imshow(pint_5)
axs[5].imshow(pint_6)


    

    
Out[6]:





<matplotlib.image.AxesImage at 0x7feaa2579b50>






    

In [7]:

    

pint_1.shape, pint_2.shape, pint_3.shape, pint_4.shape, pint_5.shape, pint_6.shape


    

    
Out[7]:





((3224, 2506),
 (3261, 2185),
 (3212, 2234),
 (3258, 2367),
 (3200, 2240),
 (3224, 2535))

In [8]:

    

pint_1.mean(), pint_2.mean(), pint_3.mean(), pint_4.mean(), pint_5.mean(), pint_6.mean()


    

    
Out[8]:





(167.60426090281598,
 33.306560017543127,
 180.95996086086359,
 245.14548293952839,
 128.21849803256131,
 222.63878717779875)

In [9]:

    

pint_1.var(), pint_2.var(), pint_3.var(), pint_4.var(), pint_5.var(), pint_6.var()


    

    
Out[9]:





(9974.2146922373431,
 177.52464516543156,
 1265.602126357729,
 1235.8621852635567,
 10344.996385378854,
 5425.0208489291626)

In [ ]: