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from matplotlib.image import imread

import matplotlib.pyplot as plt

from math import sqrt

import math

import random

import numpy

import operator

from scipy.spatial.distance import cdist

from scipy.linalg import norm

import datetime

def Histogram(path):

image = imread(path)

if len(image.shape) != 2:

def gray(rgb): return numpy.dot(rgb[..., :3], [0.2989, 0.5870, 0.1140])

gray = gray(image)

image = gray

hist, bins = numpy.histogram(image.ravel(), 256, [0, 256])

return adapt(hist)