Dear Douglas, I don't use image compression. The series are new to me, I see that the images uses a multiframe encoding, there is 63 directions each direction encoded in a sigle image like a BOLD EPI sequence

I will check again all the series

Thanks for the reply

John Ochoa Universidad de Antioquia

On Wed, Feb 22, 2012 at 1:36 PM, Douglas N Greve greve@nmr.mgh.harvard.eduwrote:

It sounds like something went wrong with the conversion to nifti. Do you use image compression? Are you sure that the series is the correct one? doug

John Fredy wrote:

...

Hello all,

I am trying to use a set of dti data from a Magnetom Skyra 3T. I use the dt_recon process with data from another siemens of 1.5T without problems. With the Skyra 3T I have the following error in the log file:

MRIresample(): error inverting matrix; determinant is nan, matrix is:

Can someone help me with this problem?

Thanks in advance

John Ochoa Universidad de Antioquia

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