The real values lie between 0 and 1 (in theory, but there may be a few outliers) and get multiplied by 10000 by default (please see the TBSS manual) to become the values you are seeing. Cheers. On 15 Apr 2007, at 07:03, Ping-Hong Yeh wrote: > Dear FSLers, > > I am wondering how the 'real' FA values (i.e. between 0 and 3) > relating to > the scale in mean FA image, which has the mean around 1700 and max > around 8000 > in our data? > > Thanks. > Ping-Hong Yeh ------------------------------------------------------------------------ --- 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 ------------------------------------------------------------------------ ---