Image Registration using Mutual Information.

Sample registration of T1 and T2 - weighted MR Images. The unregistered fusion image is in the lower left, the registered fusion is in the lower right corner.

Credits go to:

• Rigid-Body Image Registration using Mutual Information, C. Williams
• Comparative evaluation of multiresolution optimization strategies for multimodality image registration by maximization of mutual information, A. Vaes, Dirk Vandermeulen, Paul Suetens