[vtkusers] 3D image convolution with Kernel 20x20x20

[Martin Dulovits]

On 4/2/2012 8:56 PM, David Gobbi wrote:
> Hi Martin,
>
> I think the 7x7x7 restriction is still in place.  Would it be possible
> for you to use vtkSeparableConvolution instead?  It has no restriction
> on its kernel size.
>
> You can also look at vtkImageCorrelation.
>
>   - David
>
> On Mon, Apr 2, 2012 at 12:41 PM, Martin Dulovits
> <martin.dulovits at woogieworks.at>  wrote:
>> What ist the way to go to convolute a volume with a 20x20x20 kernel in vtk ?
>> Is it possible or do I have to switch to ITK ?? Is it possible in ITK ?
>> Somewhere on the thread I read that vtkImageConvolve is restricted to 7x7x7.
>> Is this still valid ?
>>
>> thx for any help
>>
>> martin
Its the dosimetric distribution of a radiation source. Its symetric, 
even circular symmetric, but does this mean it is seperable ?
Is this 7x7x7 constraint also in ITK ?

thanks for you prompt answere !!