Dear Sean,
you can do this transformation also within MriCro.
There is an option, called 'transfer ROI to new coordinates'.
With this option, you can transform a ROI to the dimension of your SPECT
images.
Good luck,
Karsten
------------------------------------------------
Dipl. Phys. Karsten Specht
(Medizin Center Bonn, Spessartstrasse 9, 53119 Bonn, Germany)
currently at:
---------------------
Department of Biological and Medical Psychology
Section of Cognitive Neuroscience
Aarstadveien 21
5009 Bergen
Norway
http://www.uib.no/ibmp/bjorg/english/
[log in to unmask]
--------------------------------------------------
> -----Opprinnelig melding-----
> Fra: SPM (Statistical Parametric Mapping) [mailto:[log in to unmask]]På
> vegne av Sean Colloby
> Sendt: Monday, November 12, 2001 11:00 AM
> Til: [log in to unmask]
> Emne: ROI map?
>
>
> Dear SPM'ers
>
> I have created a cerebellum ROI map in MNI space from the SPM99 SPECT
> template using MRIcro. I am wishing to apply this map to my I-123
> QNB SPECT
> images which
> are also in the standard space. Unfortunately, my ROI map has dimensions
> (91x109x91) and I want to apply them to standard images of dimension
> 46x55x46. I
> have converted the ROI map into Analyze format and subsequently tried to
> change the image dimensions from (91x109x91) to (46x55x45) without any
> success. Is there
> anybody who can suggest a way to get around this problem?
>
> Many of you will be thinking, why don't you just create a ROI map of the
> cerebellum directly from the standard QNB image. The thing is there is no
> specific
> uptake in the cerebellum with these type of images but I am
> wishing to get a
> handle of the non-specific binding in the cerebellum. So my logic was to
> produce
> a ROI map of the cerebellum from the HMPAO SPECT template and
> apply this to
> the standard QNB images.
>
> Any suggestions would be gratefully received.
>
> Cheers
>
> Sean Colloby
> Research Associate
> Imaging Research Group
> Institute for Ageing and Health
> Wolfson Research Centre
> Newcastle General Hospital
> Newcastle-upon-Tyne
> NE4 6BE
> UK
>
> Tel: +44 (0) 191 256 3372
> Fax: +44 (0) 191 219 5051
> email: [log in to unmask]
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