Registration of Multi-Resolution Medical Images Using a Modified Artificial Fish-Swarm Algorithm Combined with Powell's Method
Bin Luo · Xi'an Jiaotong Daxue xuebao · 2011
A registration algorithm of multi-resolution medical images is proposed by using a modified artificial fish-swarm algorithm combined with Powell's method to address the local maxima of mutual information-based image registration.Fuzzy weighted normalized mutual information and normalized partial energy-weighted matching are proposed as new similarity measures,multi-resolution strategy and HPV interpolation are used,and global optimization is performed with the proposed registration algorithm.Experimental results and comparisons with some existing registration methods in multi-mode medical image registration show that the proposed algorithm improves registration accuracy and performance.