[Insight-users] reading a dwi nrrd file

[alba garin]

just in case it helps, the point were struggles and takes a lot of time is in the DiffusionTensor3DReconstructionImageFilter. 






From: albagarin1986 at hotmail.com
To: hans-johnson at uiowa.edu; insight-users at itk.org; mark-scully at uiowa.edu
Date: Fri, 11 Feb 2011 13:37:14 +0000
Subject: Re: [Insight-users] reading a dwi nrrd file









I do not know what i am doing wrong. First, I read the file with (itk::ImageFileReader<VectorImage<unsigned short, 3>>) and I extract the gradients from the header with itk::MetaDataDictionary and I set as input of the itk::DiffusionTensor3DReconstructionImageFilter the gradients and the output of the reader. These takes 35 minutes. So weird...Could anybody help me?






From: hans-johnson at uiowa.edu
To: albagarin1986 at hotmail.com; insight-users at itk.org; mark-scully at uiowa.edu
Subject: Re: [Insight-users] reading a dwi nrrd file
Date: Fri, 11 Feb 2011 13:27:17 +0000








No.  It only should take a few seconds for a 72 gradient direction image (At least on unix).

















From: alba garin <albagarin1986 at hotmail.com>

Date: Fri, 11 Feb 2011 12:11:31 +0000

To: <insight-users at itk.org>

Subject: [Insight-users] reading a dwi nrrd file







Hello, itk users!
i am reading a dwi nrrd file and it takes 35 minutes (using Visual Studio and ITK) to get the tensor image (Image<DiffusionTensor3D<double>,3>). ¿is it normal? 
thanks in advance,
Alba











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