FFT image registration method
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I have a issue with FFT method for translation, rotation and scalling in image registration. Can U explain me how and why i use FFT method to check if e.g rotated image is the same as original image (my project include that i HAVE to use FFT method). I would be very gratefull if someone show me a Matlab code of how it should work properly, because i really dont have any idea how to start this. Thanks for all replies.
Alex Taylor on 30 Jan 2015
 Reddy, B. S. and Chatterji, B. N., An FFT-Based Technique for Translation, Rotation, and Scale-Invariant Image Registration, IEEE Transactions on Image Processing, Vol. 5, No. 8, August 1996
Reading this paper is the best way to answer your questions.