Four-Dimensional Image Reconstruction Strategies in Cardiac-Gated and Respiratory-Gated PET Imaging

被引：40
|
作者：
Rahmim, Arman [1 ]
Tang, Jing [2 ]
Zaidi, Habib [3 ,4 ,5 ]
机构：
[1] Johns Hopkins Univ, Johns Hopkins Outpatient Ctr, Dept Radiol, Div Nucl Med, Room 3245,601 N Caroline St, Baltimore, MD 21287 USA
[2] Oakland Univ, Dept Elect Comp Engn, Rochester, MI 48309 USA
[3] Geneva Hosp Univ, Div Nucl Med & Mol Imaging, CH-1211 Geneva, Switzerland
[4] Univ Geneva, Geneva Neurosci Ctr, CH-1211 Geneva, Switzerland
[5] Univ Groningen, Univ Med Ctr Groningen, Dept Nucl Med & Mol Imaging, Groningen, Netherlands
来源：
PET CLINICS | 2013年 / 8卷 / 01期
基金：
美国国家科学基金会; 瑞士国家科学基金会;
关键词：
PET; Motion tracking; Motion correction; Cardiac gating; Respiratory gating; 4D image reconstruction; 5D image reconstruction;
D O I：
10.1016/j.cpet.2012.10.005
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Cardiac and respiratory movements pose significant challenges to image quality and quantitative accuracy in PET imaging. Cardiac and/or respiratory gating attempt to address this issue, but instead lead to enhanced noise levels. Direct four-dimensional (4D) PET image reconstruction incorporating motion compensation has the potential to minimize noise amplification while removing considerable motion blur. A wide-ranging choice of such techniques is reviewed in this work. Future opportunities and the challenges facing the adoption of 4D PET reconstruction and its role in basic and clinical research are also discussed.
引用
收藏
页码：51 / +
页数：18
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