Hello, I am running reg-feat2anat and facing some problems.
First I ran the command in its default mode using FSL initialisation reg-feat2anat --feat featdir.feat --subject s. That gave me a bad registration. There is a warning coming up WARNING: initial G-W contrast is negative, but expecting positive. If the mov data has a T1 contrast, re-run with --T1 Next I tried the command using -spm option. The within-subject registration (anat2exf) looks good, but the registration to the standard does not look that good, although not as bad as with -fsl option. The structural and the functional are using different conventions (structural is in radiological convention, whereas functional is neurological). I presume the determinants are associated with this and they have opposite signs. The orientations are also different. Additionally in both the log files (one with -fsl option and -spm option), I get another warning WARNING:: Flipping Left/Right orientation (as det < 0). Not sure whether this warning is something I should worry about. Much appreciate your help. Many thanks, Mariam.
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