Hi All,

Can mri_convert be used with multiframe dicom?

In attempting to use the command that was successful on non-multiframe 
dicom I receive the following error:

  /usr/local/freesurfer/bin/mri_convert -it dicom -ot analyze 
401/GL.MR.Project.401.1.20100923.103636.ench9
h.0502265032.dcm ANALYZE/Target
$Id: mri_convert.c,v 1.166.2.2 2010/08/10 19:11:50 greve Exp $
reading from 
401/GL.MR.Project.401.1.20100923.103636.ench9h.0502265032.dcm...
Starting DICOMRead2()
dcmfile = 401/GL.MR.Project.401.1.20100923.103636.ench9h.0502265032.dcm
dcmdir = 401
WARNING: tag image orientation not found
Ref Series No = 401
Found 3 files, checking for dicoms
WARNING: tag image orientation not found
Found 1 dicom files in series.
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
WARNING: tag image orientation not found
First Sorting
Computing Slice Direction
Vs: 0 0 0
Vs: nan nan nan
Second Sorting
Counting frames
nframes = 1
nslices = 1
ndcmfiles = 1
PE Dir = UNKNOWN (dicom read)
TransferSyntaxUID: --1.2.840.10008.1.2.1--
jpegUID:           --1.2.840.10008.1.2.4--
Loading pixel data
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t by 2
/usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: 
vnl_qr<T>::solve() : matrix is rank-deficien
t 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;

Thanks.

-Timothy

Timothy Brown                 email: timo...@cis.jhu.edu
Computational Anatomist       phone: 410.516.7551
Center for Imaging Science    fax:   410.516.4557
Johns Hopkins University
301 Clark Hall
3400 N. Charles Street
Baltimore, MD 21218
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