Re: [Freesurfer] NIFTI q-factor in NIFTI header

2013-01-11 Thread Jürgen Hänggi
Hi Douglas Thanks for your answer. Our problem is actually not directly related to FS. We converted Philips .par/.rec files with two different converters, one of which was recently updated for a new platform and scanner software release, and realized that they produce different q-form matrices. T

Re: [Freesurfer] NIFTI q-factor in NIFTI header

2013-01-11 Thread Douglas N Greve
Hi Juergen, how are you judging whether a volume is flipped or not? The freesurfer tools should display properly regardless of the qfactor as long as the qform matrix is correct. doug On 01/11/2013 08:40 AM, Jürgen Hänggi wrote: > NIFTI q-factor Dear FS experts Please can you confirm that the