!! POC
特許があるので利用には注意

 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #########################################################################
 
 import sys
 import string
 
 import numpy as np
 import cv2
 
 def run_test():
   img1 = cv2.imread("a.jpg",0)
   img2 = cv2.imread("b.jpg",0)
   img3 = cv2.imread("c.jpg",0)
 
   imf1 = np.float32(img1)
   imf2 = np.float32(img2)
   imf3 = np.float32(img3)
 
   ## d, etc = cv2.phaseCorrelate(imf1, imf2) 
   # d = cv2.phaseCorrelate(imf1, imf2) 
   d = cv2.phaseCorrelate(imf3, imf1) 
 
   # print(d,etc)
   print(d)
 
 #    print inp_csvfile
 
 if __name__ == "__main__":
    run_test()
----
! img
https://ja.wikipedia.org/wiki/%E3%83%AC%E3%83%8A_(%E7%94%BB%E5%83%8F%E3%83%87%E3%83%BC%E3%82%BF)
----
サブピクセルの推定
*https://news.mynavi.jp/techplus/article/cv_future-9/
*https://news.mynavi.jp/techplus/article/cv_future-8/
----
! Tips
*https://qiita.com/miwazawa/items/1d5e51023db86ad5f053
*http://www.sanko-shoko.net/note.php?id=13hc
*https://kakasi.hatenablog.com/entry/2019/09/26/131702
*https://qiita.com/ground0state/items/7f9201b748e82455dee9
*https://mml.gitbook.io/mml/others/phase-only-correlate
*https://qiita.com/ground0state/items/7f9201b748e82455dee9

*https://www.daisukekobayashi.com/blog/phase-only-correlation-in-python/
*https://www.daisukekobayashi.com/blog/rotation-invariant-phase-only-correlation-in-python/