# Imports

from PIL import Image

import numpy

import ImageOps

import requests

import yaml

from StringIO import StringIO

import ssim

'''

Get 2D matrix from an image file, possibly displayed with matplotlib

@param path: Image file path on HD

@return A 2D matrix

'''

def build_mat_from_grayscale_image(img):

return imgMat

with open("config.yml", 'r') as stream:

try:

config = yaml.load(stream)

except yaml.YAMLError as exc:

print(exc)

print(config)

response = requests.get(config['image_1'])

img1 = Image.open(StringIO(response.content))

response = requests.get(config['image_2'])

img2 = Image.open(StringIO(response.content))

imgMat1 = build_mat_from_grayscale_image(img1)

imgMat2 = build_mat_from_grayscale_image(img2)

SSIMIndex = ssim.compute_ssim(imgMat1, imgMat2)

print "SSIM = ", SSIMIndex