Hi,
The threshold in cluster is intensity-based, not volume-based. You can use --minextent=<blah> to define a volume threshold ( e.g. divide 50 by the volume of one-voxel and round to the nearest integer ).
Kind Regards
Matthew
--------------------------------
Dr Matthew Webster
FMRIB Centre
John Radcliffe Hospital
University of Oxford
> On 29 Nov 2017, at 15:24, S <[log in to unmask]> wrote:
>
> Urgent question.
>
> I have some statistic results (VLSM) and I only want to take clusters with an extent larger than 50/100 mm³ into consideration, I'd like to know which command allows me to do so.
>
> I tried using "cluster --in=XXX --thresh 50 --mm --othresh=XXX", but voxels with low intensity get removed (and I don't want to remove intensity levels, but only small voxels groups).
>
> Thanks in advance,
> Best regards
>
> S
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