影响核磁共振图像均匀度的因素和检定方法  

The Factors to Affect the MRI Image′s Uniformity and The Examination Method

作　　者：朱弋[1] 王斌[1] 杨舒波[1] 李晶[1] 

机构地区：[1]成都军区昆明总医院医学工程科,云南昆明650032

出　　处：《医疗装备》2006年第7期16-17,共2页Medical Equipment

摘　　要：图像均匀度指的是图像的均匀程度,它描述了MRI系统对体模内同一物质区域的再现能力。图像均匀度是衡量磁共振图像的重要指标,它直接影响到图像质量的好坏以及图像的诊断价值。本文就其检定方法以及影像均匀度好坏的因素进行论述。The MRI image＇s uniformity means the uniform distribution of the MRI image.It describes the reproduction of certain area of a phantom with MRI system. The image uniformity is an important index to evaluate the quality of MRI image. It affect the the quality of the image and the clinical diagnostic value of the image. This article descusses the methods to examine it and the factors which affect the uniformity of the MRI image.

关 键 词：MRI 均匀度 检定 

分 类 号：TH774[机械工程—仪器科学与技术]