[Mristudio-users] Questions regarding Transformation in Landmark

[darshan pai]

no you do not transform the vector file. you have the tensor right . You open the tensor in DTIStudio using the Open .d button, choose the tensor . It asks you for options regarding if you want to make eigen vectors FA , RA etc . Let it run, it will make all the files , just save what you need .

HTH




________________________________
From: [Seongjin] <choisj70 at gmail.com>
To: "DTI Studio, ROI Editor, Landmarker Questions/Support" <mristudio-users at mristudio.org>
Sent: Friday, May 1, 2009 4:43:27 PM
Subject: Re: [Mristudio-users] Questions regarding Transformation in Landmark

Thanks for you reply.

I guessed *.ani file will be the same. However, regarding *.vec file, I were warned not to transform vector file. I have no idea on this. Anyone who knows the answer?

-SC 


On Fri, May 1, 2009 at 3:18 PM, darshan pai <darshanp20 at yahoo.com> wrote:

*.ani is the updated_FA file 
and *.vec is the updated eigenvector0 file.
I think the format for both is *.dat .. just different extensions to differentiate I guess ..




________________________________
From: [Seongjin] <choisj70 at gmail.com>
To: "DTI Studio, ROI Editor, Landmarker Questions/Support" <mristudio-users at mristudio.org>
Sent: Friday, May 1, 2009 12:01:05 PM
Subject: [Mristudio-users] Questions regarding Transformation in Landmark


I have data sets having reduced field of view compared to template in the Landmarker.
I simply used linear AIR for space normalization.

Translation and non-linear AIR seems not available for data of different dimensions from the template.


Q1. I wonder what other restrictions in the space normalization or transformation by using Landmarker.

Q2. After transformation, I would like to do fiber tracking in DTI Studio. What steps should I go through?
      I tried to use "Fiber Tracking" in DTI Studio main menu, however it asked to load "*.ani" file and "*.vec" file.
      Those files were not generated at all from the normalization.
      I have updated FA, eigenvalue, tensor and AlignlinearOuptut.air. 

Thanks in advance.

-SC



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