Glen,
You can avoid reslicing the data and use non-linear warping. Only
linear transforms can be implemented without reslicing. What I would
suggest is to use a larger voxel when resampling like 2x2x2 or 3x3x3.
Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Postdoctoral Research Fellow, GRECC, Bedford VA
Website: http://www.martinos.org/~mclaren
Office: (773) 406-2464
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On Tue, Dec 4, 2012 at 3:54 PM, Glen Lee <[log in to unmask]> wrote:
> Hi John and SPM experts,
>
> Thanks to your recent technical support, I was able to normalize EPIs using
> y_image and Deformation utility in SPM8.
> The outcome images all look good and seem to align well with the MNI T1
> template.
> However, one drawback is the voxel re-size! The voxel resolution became
> extremely small (1.5 x 1.5 x 1.5 mm)in the normalized data, which may be a
> little too much too handle. (Also, I don't want to reslice the images which
> involves smoothing...)
> I'm wondering/ hoping if there is any way to preserve the original voxel
> size when going through this indirect procedure of spatial normalization.
> Any help would be appreciated.
>
> Glen
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