[Mristudio-users] viewing automated tract details from LDMM

[Elizabeth Finger]

Thanks Xin-

I have completed fiber tracking and saved the file with all fibers in DTI studio.  When I try to load this file into Landmarker, no matter the image parameters or Image data format I enter, I cannot pull up the correct image.  If I draw an ROI in fiber tracking and save this in binary format, I can open up the fiber file in Landmarker, however when I try to apply the K-Map using the button using the Load Transformation Matrix button, and then the LDDMM matrix option, I receive an error message that the load images must be isotropic images.  Perhaps I have misunderstood what you mean by fiber file?

Thank you,
Elizabeth

>>> XIN LI <xli16 at jhmi.edu> 09/17/08 11:13 AM >>>
Elizabeth,

Please also apply the Kimap to the fiber file to get the updated fiber file. Then load the updated target image into ROIEditor and load the updated fiber file as a raw ROI data file. In that way, you can get what you want.


Xin




----- Original Message -----
From: Elizabeth Finger <Elizabeth.Finger at lhsc.on.ca>
Date: Tuesday, September 16, 2008 3:45 pm
Subject: Re: [Mristudio-users] viewing automated tract details from	LDMM
To: mristudio-users at mristudio.org


> Thank you Xin-
>  
>  That has seemingly worked so far. Can you tell me after the new 
> subject image is updated (it shows up as Updated_Target.img in 
> Landmarker, how I then can visualize the automated tracts which have 
> been segmented, and how to find the # fibers and FA values for those tracts?
>  
>  Elizabeth
>  
>  >>> XIN LI <xli16 at jhmi.edu> 09/16/08 3:21 PM >>>
>  Elizabeth,
>  
>  There are two image files in the LDDMM processing result, "Template" 
> and "Target". Please load them to Landmarker, "Template" as a template 
> and "Target" as a subject. Please click the button "Load 
> Transformation Matrix" in the subject window, select the radio box 
> "LDDMM Matrix (VTK Format)" and load the file "Kimap.vtk" that is in 
> the LDDMM processing result. Landmarker will show you a new subject 
> image updated based on the LDDMM matrix. 
>  
>  
>  Xin
>  
>  
>  
>  ----- Original Message -----
>  From: Elizabeth Finger <Elizabeth.Finger at lhsc.on.ca>
>  Date: Tuesday, September 16, 2008 2:48 pm
>  Subject: [Mristudio-users] viewing automated tract details from LDMM
>  To: mristudio-users at mristudio.org
>  
>  
>  > Hello-
>  >  
>  >  Are there any step- by step instructions available after 
> retrieving 
>  > results from the LDMM remote processing?  I was able to retrieve my 
> 
>  > results, but it is not clear to me which templates and files should 
> be 
>  > loaded next into Landmarker and how I can view the automated white 
> 
>  > matter tracts and associated stastistics?
>  >  
>  >  Thank you,
>  >  Elizabeth Finger
>  >   --------------------------------------------------------------------------------
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