Hi - if you edit eddy_correct you can get FLIRT to save the transforms, which is what you want. Cheers. On 9 Oct 2012, at 15:51, Xiangzhen Kong wrote: > Hi, all. > I want to extract some head motion parameters from raw DTI data? Do you have some idea about how to get them? > And what do you think about these parameters? Do they have significance for understanding humans? > > Best! > > Xiangzhen Kong --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ---------------------------------------------------------------------------