Do you mean in POSSUM or (e.g.) with fslmaths?
fslmaths currently doesn't have an option to add noise - though it
will in the next release.
Cheers.
On 18 Apr 2008, at 09:51, Bjorn Roelstraete wrote:
> Dear all,
>
> It appears that i cannot add noise in terms of SNR with the command
> line. There is only a sigma value to be specified. Is there a good
> sigma approximation of say a 10% SNR? If not, what would be "normal"
> sigma values to use? Thank you.
>
>
> Kind regards,
> --
> Bjorn Roelstraete
> Ghent University
> Department of Data-analysis
> H. Dunantlaan 1, B-9000 Gent, Belgium
> Tel: 32-9-2646434
> E-mail: [log in to unmask]
>
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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)
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