We extended the well known computer vision technique,
SIFT, to arbitrary dimensions and applied to matching medical images.
Note that usage of SIFT in the United States is governed by US Patent 6,711,293 and a license must be obtained from the University of British Columbia for any commercial applications. For more information visit: http://www.cs.ubc.ca/~lowe/keypoints/
2009-05-01: IEEE TIP n-SIFT paper accepted (see link below under publications).