PythonProgram

import hashlib
import Image
from PIL import Image

import numpy as np
import matplotlib.pyplot as plt
import matplotlib.image as mpimg

def rgb2gray(rgb):
    return np.dot(rgb[...,:3], [0.299, 0.587, 0.144])


img = mpimg.imread('redg.jpg')
gray = rgb2gray(img)
plt.imshow(gray, cmap = plt.get_cmap('gray'))
plt.savefig('a.jpg')

image_file = Image.open('a.jpg')
a = image_file.resize((9,8),Image.ANTIALIAS)
a.save('scaled.jpg',optimize=True,quality=95)
image_file1 = Image.open('scaled.jpg')
width, height = image_file1.size
pixels = list(image_file1.getdata())

def function():
    difference = []
    for row in xrange(height):
        for col in xrange(width):
            if col != width:
                difference.append(pixels[col+row] > pixels[(col+row)+1])

    for col in xrange(width-1):
        foo = difference[col:col+(width-1)]
        print foo