Orientation information in SPM99 was all in the .mat files. The only
orientation information obtained from the .hdr was voxel size, and possibly
origin.
Best regards,
-John
On Wednesday 09 January 2008 22:44, Brandall Y. Suyenobu wrote:
> Hello SPMers
>
> Could someone please verify that, in SPM99, image orientation
> (and re-orientation) information is contained in the *.mat files, but not
> written to the *.img and/or *.hdr files?
>
> We are doing analyses of old PET images that were originally processed in
> SPM99, including left-right reorientation of the normalized images using
> the "reorient images" function specifying "resize (x)" = -1, and smoothing
> of the reoriented images. The analyses are being done not with SPM, but
> with a program that uses/reads only the *.img and *.hdr files, and not the
> *.mat files. Following the processing of the images as described above,
> the resulting image files appear as normalized and smoothed, but not
> flipped, if read without the *.mat file. Is there any level of image
> processing in SPM99 in which the orientation information is written to the
> *.img or *.hdr files?
>
> Thanks,
>
>
> Brandall Y. Suyenobu, Ph.D.
> Staff Research Associate
> Neuroimaging Core
>
> CNS: Center for the Neurobiology of Stress
> PVUB, room 2338 C
> 10945 Le Conte Ave.
> Los Angeles, California 90095-1648
> Tel: (310) 206-1196
> Fax: (310) 825-1919
> http://ibs.med.ucla.edu
> http://mindbody.med.ucla.edu
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