@inproceedings{fei2006automatic,
  title={Automatic registration of CT volumes and dual-energy digital radiography for detection of cardiac and lung diseases},
  author={Fei, Baowei and Chen, Xiang and Wang, Hesheng and Sabol, John M and DuPont, Elena and Gilkeson, Robert C},
  booktitle={2006 International Conference of the IEEE Engineering in Medicine and Biology Society},
  pages={1976--1979},
  organization={IEEE}
}