| 正电子发射断层扫描仪相互作用深度效应的校正方法 |
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| 引用本文： | 葛红红,柴培 综述,单保慈 审校. 正电子发射断层扫描仪相互作用深度效应的校正方法[J]. 中国医学影像技术, 2011, 27(10): 2157-2160 |
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| 作者姓名： | 葛红红 柴培 综述 单保慈 审校 |
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| 作者单位： | 1. 中国科学院高能物理研究所核分析技术重点实验室,北京 100049;中国科学院研究生院,北京 100049
2. 中国科学院高能物理研究所核分析技术重点实验室,北京,100049 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目(2007CB512300)、国家自然科学基金(10805049、30970768)。 |
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| 摘 要： | 相互作用深度效应是影响PET成像质量的重要因素。本文主要针对这一效应的各种校正方法进行综述,包括硬件设计和软件校正,比较各种方法的优缺点,并对其发展方向进行展望。
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| 关 键 词： | 正电子发射型体层摄影术 相互作用深度效应 空间分辨力 软件校正方法 |
| 收稿时间： | 2011-03-30 |
| 修稿时间： | 2011-05-13 |
Correction methods of depth of interaction in positron emission tomography |
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| GE Hong-hong,CHAI Pei and SHAN Bao-ci. Correction methods of depth of interaction in positron emission tomography[J]. Chinese Journal of Medical Imaging Technology, 2011, 27(10): 2157-2160 |
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| Authors: | GE Hong-hong CHAI Pei SHAN Bao-ci |
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| Affiliation: | Key Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China; Graduate School of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Depth of interaction (DOI) is one of the most important factors which seriously deteriorate the image quality of PET. Methods of several DOI correction, including hardware correction and software correction strategies were described, and the advantages and disadvantages of these methods, as well as the future development of DOI-PET were also reviewed in this article. |
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| Keywords: | Positron-emission tomography Depth of interaction Spatial resolution Software correction method |
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