[Mristudio-users] How to do a Tailarach transformation?

[Xin Li]

Christian,

Do you mean that you didn't receive any confirmation or process complete emails from mristudio after you had sent the data to mristudio server?


Xin



----- Original Message -----
From: Christian Bieck <c.bieck at T-Online.de>
Date: Wednesday, April 1, 2009 6:09 am
Subject: Re: [Mristudio-users] How to do a Tailarach transformation?
To: mristudio-users at mristudio.org


> Hello,
>  
>  I made an attempt at 2) and did a rigid AIR transformation, followed 
> by an LDDMM. As the grey scale images have to be in byte format, I 
> transformed both the JHU_MNI_GA_DWI sample image and one of my test 
> subject's DWI file to byte format via the BFW button.
>  I then went on to do an automated single channel LDDMM, not changing 
> the default parameters, and after a while Landmarker said that the 
> files had been sent.
>  Now while I typed in my registered email address, I didn't get a 
> confirmation nor a Process Complete email, so I'm wondering how long 
> such a remote LDDMM processing normally takes or if I made some 
> mistake during the whole process.
>  Are there any vital details during LDDMM that I may have overlooked?
>  Any input would be greatly appreciated. Thanks for your time.
>  
>  Sincerely,
>  Christian Bieck  
>  
>  > 
>  > Hi Christian,
>  > 
>  > Sorry that the manuals for Landmarker and RoiEditor are still quite 
> behind. 
>  > This year, we will most likely provide 2-day tutorial in Hawaii 
> ISMRM (Sat
>  > and Sun). Announcement will be sent next week. Join one of these tutorials
>  > is the best way at this point. We are working on manuals and 
> hopefully can
>  > provide "Getting Started" soon.
>  > 
>  > As for your question, there are several points I want to make;
>  > 1) There are three ways to do normalization: manual landmark-based 
> (rigid,
>  > affine, and LDDMM), automated linear & low-order non-linear (AIR), 
> and
>  > automated high-order non-linear (LDDMM).
>  > 2) Usually, automated AIR (rigid or affine) + automated LDDMM is 
> the easiest
>  > way.
>  > 3) Talairach brain is VERY different from normal subjects. To accurately
>  > transform your data to Talairach, AIR is not enough. You need extensive
>  > landmarking or AIR+LDDMM.
>  > 4) Manual landmark-based normalization has a great flexibility but 
> it's time
>  > consuming and require some experience.
>  > 
>  > I recommend you to start with #2. If you don't come to ISMRM, 
> please wait
>  > for the Getting Started or you are welcome to visit my lab.
>  > 
>  > Susumu
>  
>  
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