[Mristudio-users] reading nrrd images

[Subarna Ghosh]

Hi Susumu,

I am interested in the tensor data (eigen vectors, eigenvalues etc.).
I created the raw file, but not sure how to read the matrix data. Is it a
Binary file? What is the format like?
I will appreciate any help in this direction.

Thanks and regards,
Subarna Ghosh.

On Tue, Dec 15, 2009 at 4:20 PM, susumu mori <susumu at mri.jhu.edu> wrote:

> Hi Subarna,
>
> 1) Do you have to use the nrrd format? If you save the matrix as a "raw"
> file, the tensor elements will be stored as (dxx, dyy, dzz, dxy, dxz, dyz) x
> D1 x D2 x D3 where D1-3 are the dimensions of the image matrix.
> 2) Are you asking the exact format of the tensor-nrrd file created by
> DtiStudio?
>
> Susumu
>
> On Sun, Dec 13, 2009 at 11:19 AM, Subarna Ghosh <subarna29 at gmail.com>wrote:
>
>> Hi all,
>>
>> I recently started using DTIstudio, and created some nrrd files of DTI
>> tensor details(Dxx,Dyy etc.). I need to read the values through ITK but
>> wasnt able to.
>> Basically i need all the values in the form of matices for some processing
>> and I am not sure how to do it.
>> I used various examples given : itkNrrdVectorImageReadTest.cxx etc.
>> Please let me know about how I could go about it.
>>
>> Thanks !
>>
>> Regards,
>> Subarna Ghosh.
>>
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