@INPROCEEDINGS{khamene2007unified,
author={Khamene, A. and Azar, F. and Schwarz, L. and Zikic, D. and Navab, N. and Rietzel, E.},
booktitle={Computer Vision, 2007. ICCV 2007. IEEE 11th International Conference on}, 
title={A Unified and Efficient Approach for Free-form Deformable Registration},
year={2007},
month=oct.,
volume={},
number={},
pages={1 -8},
keywords={dense deformation case;energy functional optimization;free-form deformable registration;image distance term;image regularization term;semi-backward partial differential equation;variational deformable registration problems;image registration;partial differential equations;variational techniques;},
doi={10.1109/ICCV.2007.4409160},
ISSN={1550-5499}
}