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Just an update: Bennett Landman's previous post prompted me to try some parameter tweaks. When I change the -dof from 12 to 9, flirt does not crash and gives a decent result. (It also doesn't crash using -dof 6, but the result is not as good.) On 07/11/2005 02:26 PM, Donna Hanlon wrote: > Hi all, > > First, I'd like to take this opportunity to thank you for making such > useful tools freely available. > > Now, for my problem -- I have spatially normalized 60 volumes like so: > > bet 1421 1421_bet -f 0.5 -g 0 > flirt -in avg152T1_brain_lpi -ref 1421_bet -omat avg152_to_1421 -bins > 256 -cost corratio -searchrx -90 90 -searchry -90 90 -searchrz -90 90 > -dof 12 -interp trilinear > [steps for inverting matrix and applying to volume snipped] > > For the two volumes in this gzipped tar archive, however, flirt core > dumps during the flirt step: > > http://pub:[log in to unmask] > > login pub > password download > > The avg152T1_brain_lpi also is included and is just a x-flipped > version of fsl/etc/standard/avg152T1_brain.hdr. > > Here is output from gdb, if it proves helpful: > [snip] > > I'm running Red Hat Enterprise Linux AS release 3 (Taroon Update 5), > 2.4.21-32.0.1.ELsmp, on a Dell Precision 450n. > > Any ideas for what I might try? This looks like it might be similar > to this problem: > > http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0505&L=FSL&P=R14178&I=-3 > > Thanks much, > > Donna Hanlon > Van Essen Lab >