Dear folk,
When using Talairach Daemon Lables or JHU ICBM-DTI-81 White-Matter Lables as atlas in Featquery, Featquery will first call fslmaths to generate a binary mask (command as below)
$FSLDIR/bin/fslmaths $FSLDIR/data/atlases//Talairach/Talairach-labels-2mm -thr 1058 -uthr 1058 -bin /tmp/featquery_4VE87F
Mostly, it'll run as precise as we predict. But if we chose label 0 as our roi, there would be no valid mask, because of uthr = 0 (command as below)
$FSLDIR/bin/fslmaths $FSLDIR/data/atlases//Talairach/Talairach-labels-2mm -thr 0 -uthr 0 -bin /tmp/featquery_4VE87F
So I would suggest to judge atlas id first then call fslmaths in $FSLDIR/tcl/featquery.tcl.
Best Regards
Feng Xue
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2009-03-03
National Key Laboratory of Cognitive Neuroscience and Learning
Beijing Normal University
Beijing, China. 100875
Tel: 86-13810154455(m)
Fax: 86-10-58806154(o)
web: http://psychbrain.bnu.edu.cn
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