Does something like this do what you want?
First split your 2.3 clusters into separate images.
Multiply each 2.3 cluster image by the combined 3.1 clusters image and
discard 2.3 cluster image if result empty, i.e., no common voxels.
Re-combine all surviving 2.3 cluster images.
Dave Flitney, IT Manager
University of Oxford, FMRIB Centre
JR Hospital, Oxford OX3 9DU
T: 01865 222713 F: 01865 222717
On 7 Nov 2009, at 03:48, Gabor Perlaki <[log in to unmask]>
wrote:
> I think the problem is not solvable with a simple multiplication of
> masks. I
> would like to keep the clusters from the thresholding 2.3 which
> contains at
> least one voxel which is active in thresholding 3.1 as well. But I
> would
> like only these clusters from thresholding 2.3. I don't need
> clusters which
> are active in thresholding 2.3, but don't contain any voxels which are
> active in thresholding 3.1. So I want to do a new map from clusters of
> thresholding 2.3, which have seed with z>3.1.
>
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