@article{Maes_1997,
title={Multimodality image registration by maximization of mutual information},
volume={16},
ISSN={0278-0062},
url={http://dx.doi.org/10.1109/42.563664},
DOI={10.1109/42.563664},
number={2},
journal={IEEE Transactions on Medical Imaging},
publisher={Institute of Electrical and Electronics Engineers (IEEE)},
author={Maes,
F. and Collignon,
A. and Vandermeulen,
D. and Marchal,
G. and Suetens,
P.},
year={1997},
month=apr,
pages={187–198} }