ripoc_python Python implementation of Rotation Invariant Phase Only Correlation (RIPOC) References Daisuke Kobayashi - Python で回転不変位相限定相関法 https://www.daisukekobayashi.com/blog/rotation-invariant-phase-only-correlation-inpython/ C++ - How to obtain the scale and rotation angle from LogPolar transform - Stack Overflow https://stackoverflow.com/questions/14132951/how-to-obtain-the-scale-and-rotationangle-from-logpolar-transform