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<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::solve() : matrix is rank-deficient by 2 /usr/pubsw/packages/vxl/1.13.0/src/core/vnl/algo/vnl_qr.txx: vnl_qr<T>::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