new_contents: #
  # correlate.py
  # Created by pira on 2017/08/15.
  #
  
  #coding: utf-8
  
  from VideoDigitalWatermarking import *
  
  #test
  x=[1,-1,1]
  y=[1,-1,1]
  
  cycle = correlate(x, y, CYCLE)
  noncylcle = correlate(x, y, NON_CYCLE)
  
  print('CYCLE     =', cycle)
  print('NON CYCLE =', noncylcle)
subject: add correlate sample