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Hi Mark, Is there anyway to script this process for registration on multiple volumes? Another registration option I guess would be take the small FOV reference image and pad it in such a way as to keep the same voxel size but increase the FOV? Is this a sensible approach? Thanks, Gaby ************************************88 On 11 Nov 2004, at 22:01, Brad Buchsbaum wrote: > I'm using Flirt to align a low resolution EPI image --> high resolution > anatomical --> standard brain (avg152_brain) > > all three of these images have a different field of view. When Flirt > resamples images, the default is to use the FOV of the reference image. > > In my case, I want to retain the FOV of the EPI(64X64X24, > 3.75X3.75X3.75). > There is an option for Flirt to use a different reference image for > reslicing, but if this image has a larger FOV than the original > reference > image, the resulting resliced images are off-center (presumably because > the origin is taken as the upper-left voxel). Is there a way for Flirt > to > reslice so that the origin is taken as the center voxel for both the > input > and reference images? > > thanks, > > Brad Buchsbaum