Is this one of the new dicom format files? The new ones have a single
dicom file with all the pixel data in it (and we can't read them yet).
doug
On 04/23/2012 03:22 PM, Mohana Ramaratnam wrote:
> Hello,
>
> We are getting the following error while processing T1 data acquired
> on Philips. The image data looks ok. We have three scans with similar
> error. Does anyone have suggestions as to what could be wrong?
>
> Loading pixel data
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx:
> vnl_qr::solve()
> : matrix is rank-deficient by 2
> MRIresample(): error inverting matrix; determinant is nan, matrix is:
> TR=0.00, TE=0.00, TI=0.00, flip angle=0.00
> i_ras = (-0, -0, 0)
> j_ras = (-0, -0, 0)
> k_ras = (nan, nan, nan)
> Reslicing using trilinear interpolation
> -0.000 -0.000 nan nan;
> -0.000 -0.000 nan nan;
> 0.000 0.000 nan nan;
> 0.000 0.000 0.000 1.000;
> Linux node159 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64
> x86_64 x
> 86_64 GNU/Linux
>
> recon-all -s 0180634_v00_mr exited with ERRORS at Mon Apr 2 12:25:57 CDT 2012
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>
--
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422
Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
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