Hi, In general transformation matrices are completely different between different packages and cannot be exchanged. There are a few instances of ways to convert between formats, but not many. All the best, Mark On 2 Nov 2009, at 20:13, Marc Bouffard wrote: > Hello, > > In "Feat", is it possible to register structural images with a > pipeline other than > FSL and use the resulting tranformation matrices with the rest of > FSL Feat > stats pipeline? > > Marc Bouffard >