计算机工程与应用2011，Vol.47Issue(17)：162-164,174,4.DOI:10.3778/j.issn.1002-8331.2011.17.044
一种改进的心脏磁共振图像亚像素匹配方法
Improved sub pixel match approach to cardiac MRI images.
黄华 1张小锋 1刘露 1江泽涛1
作者信息
- 1. 南昌航空大学信息工程学院,南昌330063
- 折叠
摘要
Abstract
Registration of myocardial perfusion MRI images is a typical method in heart process and analysis. For heart MRI time-series images, an improved sub pixel match approach based on cross-weighted moments and mutual information is presented, which adopts mixed registration strategies. Firstly, the cross-weighted moments are used in rough registration to rid those local extremums far away from a global optimal point. And then mutual information,combined with Powell and SA hybrid optimization algorithms, is taken as objective function to make accuracy and speed of image registration greatly improved.关键词
亚像素匹配/Powell算法/模拟退火算法Key words
sub pixel matching/Powell algorithm/ simulated annealing algorithm分类
信息技术与安全科学引用本文复制引用
黄华,张小锋,刘露,江泽涛..一种改进的心脏磁共振图像亚像素匹配方法[J].计算机工程与应用,2011,47(17):162-164,174,4.
