Hi, yes, you can specify a kernel for example
avwmaths++ IN -kernel gauss 3 -fmean OUT
will give you smoothing with a Gaussian kernel of 3mm half-width.
Cheers, Steve.
On 9 Oct 2006, at 13:04, Joerg Magerkurth wrote:
> Hi,
>
> what does "-kernel file" in avwmaths++ means? Is it possible to
> build a
> 3D-convolution kernel like a 3D point spread function? How the file
> must
> look like?
>
> Best regards
>
> Joerg
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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