| 锥束CT精确重建算法研究最新进展 |
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| 引用本文： | 陈志强,李亮,康克军,张丽.锥束CT精确重建算法研究最新进展[J].CT理论与应用研究,2005,14(3):65-70. |
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| 作者姓名： | 陈志强 李亮 康克军 张丽 |
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| 作者单位： | 清华大学工程物理系,北京,100084 |
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| 基金项目： | This work was supported by a grant from the Ph.D. Programs Foundation of Ministry of Education of China，国家自然科学基金 |
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| 摘 要： | 第八届三维图像重建及核医疗学国际会议于2005年7月在美国盐湖城召开.该会议是在CT、PET及SPECT图像重建领域最负盛名的会议之一.本文主要介绍在本次会议上提出的几种最新锥束CT精确重建算法,包括MD-FBP算法、R-line算法等;还讨论了这两种精确锥束重建算法的各自优点,并对CT图像重建领域下一步的研究方向做了展望.
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| 关 键 词： | 精确重建 |
| 文章编号： | 1004-4140（2005）03-0065-06 |
| 收稿时间： | 2005-08-05 |
New Developments of exact Cone-beam CT Reconstruction Algorithms |
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| CHEN Zhi-qiang,LI Liang,KANG Ke-jun,ZHANG Li.New Developments of exact Cone-beam CT Reconstruction Algorithms[J].Computerized Tomography Theory and Applications,2005,14(3):65-70. |
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| Authors: | CHEN Zhi-qiang LI Liang KANG Ke-jun ZHANG Li |
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| Abstract: | The international meeting on fully three-dimensional image reconstruction meeting in radiology and nuclear medicine was hold in July 2005, USA. It is one of the most famous meetings in CT, PET and SPECT image reconstruction field. This paper introduces some novel developments in PET, SPECT and CT imaging upon this meeting. According to our interest, we focus on exact cone-beam CT reconstruction including Minimum data filtered-backprojection algorithm (MD-FBP), the R-line algorithm and so on. In the end, we discuss the different advantages of the above two exact algorithms and research prospects in cone-beam reconstruction. |
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| Keywords: | FBP BPF PI-line R-line exact reconstruction filtered-backprojection (FBP) backprojection-filtration (BPF) PI-line R-line |
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