[Mristudio-users] ROI transformation

[Xin Li]

Yes. Susumu, you are right.

Josselin, please follow the steps as Susumu said.

Xin


----- Original Message -----
From: susumu mori <susumu at mri.jhu.edu>
Date: Tuesday, July 20, 2010 5:58 am
Subject: Re: [Mristudio-users] ROI transformation
To: "DTI Studio, ROI Editor, DiffeoMap Questions/Support" <mristudio-users at mristudio.org>, Xin Li <xli16 at jhmi.edu>, ANDREIA FARIA <afaria1 at jhmi.edu>


> Hi Josselin,
>  
>  If I understood your question correctly, you are interested in how to 
> keep
>  the label name after transformation.
>  
>  I believe "****TypeII" and "****TypeII.dat" are the same file. They both
>  contains 181x217x181 images. The label is in "****.hdr" file. When 
> you load
>  the image as an ROI file, you need the *.hdr and *.dat file.
>  
>  After you transformed a WMPM map (no extension or *.dat file) and 
> save it
>  (e.g. test.dat), I believe you can just rename the *.hdr file so that 
> you
>  can get both test.dat and test.hdr.
>  
>  Xin and Andrea, correct me if I'm wrong.
>  
>  susumu
>  
>  
>  
>  On Mon, Jul 19, 2010 at 4:20 PM, Josselin <j.houenou at yahoo.fr> wrote:
>  
>  > Dear mristudio developers and users,
>  >
>  > I have a pretty trivial question but I couldn't find any way to do 
> it.
>  >
>  > I got for one subject a FA image and a B0 image. My goal is to 
> register the
>  > WMPM type II eve atlas onto my FA map such as done in
>  >  (paper by Zhang).
>  >
>  > I therefore used the steps described in
>  > 
>  > I coregistered my FA map and B0 map with air then LDDMM and 
> obtained AIR
>  > and LDDDM matrices which seem correct: when I apply Hmap to the 
> file named
>  > "JHU_MNI_SS_WMPM_TypeII" then the inverted AIR transformation, it fits
>  > perfectly well on my original FA map.
>  >
>  > Nevertheless, I do not know how to transform the file
>  > "JHU_MNI_SS_WMPM_TypeII.dat" which contains the ROI label names. Is 
> there
>  > any way to do it ? When I load this file as a "subject" in 
> diffeomap and
>  > then try to apply Hmap.vtk onto it I get "Cannot crop the LDDMM 
> map" as an
>  > error message. Any suggestion ??
>  >
>  > Many thanks,
>  > Josselin Houenou
>  >
>  >
>  >
>  >
>  >
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