FFT image registration method

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Kamil Tkacz
Kamil Tkacz 2015-1-29
回答： Alex Taylor 2015-1-30
Hello
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.

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回答（4 个）

Alex Taylor
Alex Taylor 2015-1-30
[1] 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.
Sean de Wolski
Sean de Wolski 2015-1-29
Kamil Tkacz
Kamil Tkacz 2015-1-29
I have no access to this link :(
Kamil Tkacz
Kamil Tkacz 2015-1-30
Yea but this is goes automatically. I rather wanna to understand why does it happend. I know that i should calculate FFT from eg lena.png and rotated, scalling lena2.png. But what it comes next?

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