Motion Compensation Based on Dynamic Data in PET Acquisition

被引：0

作者：

He, Jianfeng ^{[1
]}

O'Keefe, Graeme J. ^{[2
]}

Ackerly, Trevor ^{[3
]}

Sun, Hua ^{[4
]}

Geso, Moshi ^{[5
]}

机构：

[1] Kunming Univ Sci & Technol, Inst Biomed Engn, Kunming, Peoples R China

[2] Austin Hosp, Dept Nucl Med & PET Ctr, Melbourne, Vic, Australia

[3] Alfred Hosp, Radiothe Ctr, Melbourne, Vic, Australia

[4] 3rd Affiliated Hosp Kunming Med Univ, PET CT Ctr, Kunming, Peoples R China

[5] RMIT Univ, Sch Med Sci, Melbourne, Vic, Australia

来源：

2010 3RD INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING AND INFORMATICS (BMEI 2010), VOLS 1-7 | 2010年

关键词：

PET; respiratory motion gating; simulation;

D O I：

10.1109/BMEI.2010.5639539

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Respiratory motion artifacts can be a significant factor that limits the positron emission tomography (PET) image quality. Gating technique is one of methods utilizing the tracking information to compensate for subject motion. In this paper, we propose a new method that utilizes the geometric sensitivity of a 3D-PET scanner system to gate respiratory motion. This method is non-invasive and no additional hardware device required. Using GATE (GEANT4 Application Tomographic Emission) and NCAT (NURBs (Non Uniform Rational B-Splines) Cardiac Torso) software packages simulate PET acquisition and respiratory motion respectively. Proposed method applied to simulated data demonstrates that respiratory motion can be gated.

引用

页码：389 / 392

页数：4

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