[Mristudio-users] Another way to use ROIeditor with different imagens (different matrix)

[susumu mori]

1) If multiple images are co-registered, meaning the patient was scanned in
the same session and didn't move;
1-1) if all images, say T1, T2, DTI, MTR, share the same center of FOV and
imaging angles;
> you can use DiffeoMap (previously called Landmarker) to simply resize the
matrix and FOV. Then they will be all co-registered (suppose the patient
didn't move during the scan)
1-2) If different images did not share the same center of FOV and have
different angles;
> You can get the FOV locations and FOV angle information from the DICOM
header and use the information to shift, rotate, resize, rematrix in
DiffeoMap to co-register the images.

2) Or, if you find 1-2 is too much of work or if you suspect the patient
moved,

You can run AIR or MI in Diffeomap to coregister the two images (e.g. DTI
and MTR). These two images can have different matrix size and FOV. The
output of AIR or MI will have the same dimensions as the template you
choose.

So, I believe DiffeoMap can solve your problem in any cases.



On Thu, Dec 10, 2009 at 9:36 AM, Lucas Lessa <lucas_lessa at yahoo.com.br>wrote:

> Good Morning,
>
> I'm in the middle of a study that correlates the fractional anisotropy of
> corticospinal tract with transfer magnetization (MTR).
> But I can't correlate than in ROIeditor since the series had been done with
> different matrix.
> Is there another way to correlate this series with ROIs in the same place
> or I will have to do this manually? (the imagens have the same number os
> slices and same orientation, but with different FOV too).
> Thank you very much.
>
> Lucas Lessa
> Sâo Paulo/Brazil
>
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