[Insight-users] MultiplyImageFilter

[Renaud Isabelle]

Hi,
 
- In order to compute correlation between 2 images via FFT, I have to multiply 2 complex images: FFT(X) .* conj(FFT(Y)). Can itkMultiplyImageFilter be used with complex images as input? 
 
- Moreover, is it something to compute the conjugate of a complex image. 
 
I have actually to compute correlation on a small window between two slices of a 3D sequence. Do you think that FFT is the best to do it? Maybe direct correlation definition would be better.
 
Isabelle

		
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