说明：  该文提出了一种蚁群算法和 Powell 法相结合 的多分辨率搜索优化算法。该算法以互信息作为相似性测度，采用基于小波变换的多分辨率策略，将蚁群算法与Powell法结合起来对三维的CT，MR图像进行了配准。
(This paper proposes a new ant colony algorithm and Powell Combination of multi-resolution search optimization algorithms. The algorithm mutual information as similarity measure based on wavelet multi-resolution strategy, ant colony algorithm combined with Powell method for three-dimensional CT, MR images were registration.)