Image Registration Toolkit


This software has been developed for research purposes only, and hence should not be used as a diagnostic tool. In no event shall the authors or distributors be liable to any direct, indirect, special, incidental, or consequential damages arising of the use of this software, its documentation, or any derivatives thereof, even if the authors have been advised of the possibility of such damage.


The image registration software itself has been written by

Daniel Rueckert

Visual Information Processing Group
Department of Computing
Imperial College London
London SW7 2BZ, United Kingdom

The image processing library used by the registration software has been written by

Daniel Rueckert
Julia Schnabel

See this page for more information on the copyright and license agreement for the software.

The non-rigid registration algorithms implemented in

the software are described by the following publications:

Other Software

The Image Registration Toolkit (called IRTK) is not related to the Insight Toolkit (also called IRTK). By coincidence both packages use the same acronymn. If you are looking for the Insight Toolkit please visit


18 December 2007: A new version of the Image Registration Toolkit has been released. Major improvements include support for the NIFTI file format and more compact parameter files for the registration. For more information on how to use IRTK look here.

22 May 2006: Several problems have been fixed in the windows version of the software. Also, the file formats for transformation files have been changed and are now more compact.

Download and Usage

Binaries can be downloaded from here. Information on how to use the tools included in he software can be found here.