main.py

import cv2
import numpy as np
import hashlib
def getUImg(sid):
	#size can be 
	m=hashlib.sha256()
	m.update(sid)
	hsh=m.hexdigest()

	npar=np.zeros((8,8,3),np.uint8)
	img=np.zeros((256,256,3),np.uint8)
	n=0
	for i in range(0,8):
		for j in range(0,8):
			if(n==3):
				n=0
			npar[i][j][n]=17*int(hsh[(i+1)*(j+1)-1],16)
			npar[i][j][(n+1)%3]=255-npar[i][j][n]
			n+=1


	npar=cv2.resize(npar,(128,128))
	imgLU=npar
	imgRU=cv2.flip(npar,1)

	img[:128,:128]=imgLU
	img[:128,128:256]=imgRU
	img[128:256,:256]=cv2.flip(img[:128,:256],0)
	return img
sid=raw_input('String: ')
img=getUImg(sid)
cv2.imshow('img',img)
cv2.waitKey(0)
cv2.destroyAllWindows()