[Mristudio-users] Error while processing DTI Mapping

[pkroy at nbrc.ac.in]

Dear Susumu,

A million thanks for helping me and my PhD student Budha!

Kindest regards,

Prasun

National Neuro-Imaging Facility
National Brain Research Centre
Delhi, India
====================
> Hi Budha,
>
> It is most likely memory shortage. To check if it is really a memory
> problem, please try "partial" processing. After you choose "DtiMapping"
> and
> a data format, you get an window to input image dimensions, b-table, and
> data file names. In this window, you can find "Slices to be processed".
> For
> example, if you have 50-slice images, you can process slice # 0 - 24, for
> the first batch and slice # 25-49 for the second batch. In this way, you
> can
> reduce the data size. If this approach works, it is a memory problem.
>
> If you get a memory problem, you can do one of following things;
>
> 1) Of course, increase RAM. You can see improvement up to 2 GB of RAM,
> usually.
> 2) 64-bit Windows XP is really the solution because 32-bit Windows can
> allocate only up to 1-1.5GB of RAM to a single task.
> 3) Use the slice-divided tensor calculation and save calculated images
> such
> as FA, ADC, tensor. For example, you can get FA0-24 and FA25-49. Then you
> can load them into one window and save together to get FA0-49.
>
> Please let me know if it is really a memory issue.
>
> Susumu
>
> ________________________________________
> From: mristudio-users-bounces at mristudio.org
> [mailto:mristudio-users-bounces at mristudio.org] On Behalf Of budha
> Sent: Thursday, April 03, 2008 1:43 AM
> To: mristudio-users at mristudio.org
> Cc: budhakh at gmail.com
> Subject: [Mristudio-users] Error while processing DTI Mapping
>
> Dear All,
>  
> I am Graduate Student working  in the field of DTI. I have been trying to
> use DTI Studio for my research. I was able to find the eigenvalues,
> eigenvectors of DTI images. The problem is somehow now while running
> DTIStudio, it is able to process images, I can see the DTI Map display
> window, but the moment I try to run ADC map, Tensor Eigenvalues etc., I
> get
> an a error message which I have attached.   Can anyone tell me where the
> problem is ?
>  
> Thanking you,
>  
> Budha
> NBRC, India
>  
>  
>
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>