[Insight-users] Convolution with a complex kernel

[Matt McCormick]

Hi Jesse,

A combination of ConstantPadImageFilter, MultiplyImageFilter, and
InverseFFTImageFilter should do the trick.

HTH,
Matt

On Mon, Jul 22, 2013 at 7:48 AM, Jesse Ross-Jones <jesse.rj at gmail.com> wrote:
> Dear ITK Users and devs,
>
>
> In order to use the Gabor filter on an image, I need to generate a complex
> (combined real and imaginary) kernel. I have done this using the
> ComposeImageFilter. Following I need to compute the convolution of the image
> with this complex kernel. However, I find that the Convolution filters and
> FFTConvolution filter does not seem to accept a complex type as kernel.
>
> Is there a Convolution filter existing that can use a complex kernel?
>
> Many thanks,
> Jesse
>
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