[Mristudio-users] ROI transformation

[Xin Li]

Hello Josselin,

"JHU_MNI_SS_WMPM_TypeII.dat" is the same file as "JHU_MNI_SS_WMPM_TypeII". You don't need to apply Hmap to "JHU_MNI_SS_WMPM_TypeII.dat" again.

If you want to identify the ROIs, you can use "JhuMniSSTypeIILabelLookupTable.txt" that is available at \ROIEditor\Images\JHU_MNI_SS. 


Regards,

Xin




----- Original Message -----
From: Josselin <j.houenou at yahoo.fr>
Date: Monday, July 19, 2010 4:20 pm
Subject: [Mristudio-users] ROI transformation
To: mristudio-users at mristudio.org


> 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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