[Mristudio-users] More AIR

[support at mristudio.org]

hi,Sarah,

the AIR in DTI Studio have no problem to do registration on images with
diffferent dimensions, orientations and/or pixel size; just try it.

regards,








> Hi -
>
> Thanks for the quick response! I saw this posting from Susumu on 5/16/08:
>
> You can use functions available in Landmarker to do this type of resampling.
> Also, make sure that the center and angles of the images are the same.
> Otherwise, even if the matrix dimensions are all adjusted, brain locations
> are not the same. You can read the center and orientation information from
> DICOM files and type in these numbers to Landmarker "translation" and
> "rotation" operation. Otherwise, you can use "AIR" to do rigid alignment
> between MPRAGE and DTI (you can use b0 or DWI). AIR can adjust matrix
> dimensions and brain locations all at once. So, this could be an easier way.
>
> Which made it sound as though this kind of registration is possible. Is this no
> longer true? Or is this still a possibility?
>
> Thanks again -
>
> Sarah Copeland
> ________________________________________
> From: mristudio-users-bounces at mristudio.org
> [mristudio-users-bounces at mristudio.org] On Behalf Of Jun Yi Wang
> [junyiwang2002 at yahoo.com]
> Sent: Friday, October 31, 2008 1:08 PM
> To: DTI Studio, ROI Editor, Landmarker Questions/Support
> Subject: Re: [Mristudio-users] More AIR
>
> Hi Sarah,
>
> The AIR in DTI studio is used for coregistering different volumes in the same
> DTI scan.  These volumes have the same image resolutions.  You need to use SPM
> or FSL for coregister images with different image resolutions and FOVs.
>
> Jun Yi Wang
>
> ________________________________
> From: "Copeland, Sarah A." <SCopeland at mednet.ucla.edu>
> To: "mristudio-users at mristudio.org" <mristudio-users at mristudio.org>
> Sent: Friday, October 31, 2008 2:34:58 PM
> Subject: [Mristudio-users] More AIR
>
> Hello all –
>
> I would like to be able to register my anatomic scan to the mean b0 of my DTIs
> so  that I can draw ROIs on the anatomic scan. However, when I push the “AIR”
> button, it allows me to enter mean of b0s as the one to register to, but it does
> not recognize the analyze format or raw format anatomic images in the same
> folder. The only files that show up in the list are the raw data files, or the
> files created when doing the tensor calculations (FA, etc). I am working in DTI
> studio (not landmarker or ROI editor). I don’t want to normalize, just
> coregister anatomic and DTI scans from the same subject. Is there a way to do
> this?
>
> Thanks very much,
>
> Sarah Copeland
>
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