Comparison of cardiac motion fields from tagged and untagged MR images using nonrigid registration

被引：0
|
作者：
Chandrashekara, R
Mohiaddin, RH
Rueckert, D
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Comp, Visual Informat Proc Grp, London SW7 2BZ, England
[2] Royal Brompton & Harefield NHS Trust, Cardiovasc Magnet Resonance Unit, London SW3 6NP, England
来源：
FUNCTIONAL IMAGING AND MODELING OF HEART, PROCEEDINGS | 2005年 / 3504卷
关键词：
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper presents a comparison of the motion fields computed from TrueFISP untagged and SPAMM tagged magnetic resonance (MR) images using a 4D nonrigid registration algorithm that we have developed for cardiac motion tracking [3]. Our results, which were obtained from a group of 7 normal volunteers, indicate that although there is a good correlation between the motion fields computed from the tagged and untagged MR images, some of the twisting motion is not captured in the motion fields derived from the TrueFISP MR images.
引用
收藏
页码：425 / 433
页数：9
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