[vtkusers] 3D image convolution with Kernel 20x20x20

[David Gobbi]

On Mon, Apr 2, 2012 at 1:12 PM, Martin Dulovits
<martin.dulovits at woogieworks.at> wrote:
> 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.
>
> 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 ?

The 7x7x7 constraint is only in that one VTK class.

Circular symmetry is separable for a Gaussian kernel, but not for other kernels.

 - David