基于图像的回波平面成像ghost伪影消除方法  

Artifact Reduction Methods for Image-based Echo-planar Imaging (EPI) ghost

作　　者：陶华[1] 罗立民[1] 王世杰[1] 

机构地区：[1]东南大学生物科学与医学工程系,江苏南京210096

出　　处：《生物医学工程研究》2004年第2期81-84,共4页Journal Of Biomedical Engineering Research

摘　　要：主要介绍了目前两种基于图像的EPIghost伪影消除方法 (Buonocore的方法和Lee的方法 ) ,并进行了仿真实验 ,比较了 2种方法的优缺点。通过比较 ,Buonocore的方法较好 ,而且 ,一种被Lee认为不合适的计算方法可以取得较好的效果。Main image-based EPI ghost artifact reduction methods at the present time were introduced(Buonocore's method and Lee's method). The emulation experiments was carried out and the advantages and disadvantages about two methods were compared. Buonocore's method is better than Lee's one. One sort of algorithm which Lee thought was inapposite can get better results.

关 键 词：伪影 回波平面成像 效果 消除方法 优缺点 

分 类 号：R445.2[医药卫生—影像医学与核医学] R814[医药卫生—诊断学]