| 体积CT中的图象重建算法研究综述 |
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| 引用本文： | 吕东辉,庄天戈,严壮志.体积CT中的图象重建算法研究综述[J].CT理论与应用研究,2000,9(4):12-18. |
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| 作者姓名： | 吕东辉 庄天戈 严壮志 |
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| 作者单位： | 1. 上海大学生物医学工程系,200072
2. 上海交通大学生物医学工程系,200030 |
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| 基金项目： | 国家自然科学基金!（39870210），上海市高等学校青年科学基金资助项目 |
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| 摘 要： | 体积ＣＴ是继断层ＣＴ发展而来的一种高新技术。它具有获取投影数据的速度快、Ｘ射线利用率高、成象结果空间分辨率各向同性等优点，因而将成为用于医学影象诊断、工业无损检测等领域的更为有效的手段之一。本文对体积ＣＴ技术的发展历史、主要特点、算法分类及未来发展等进行了系统地回顾、分析和展望。
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| 关 键 词： | 体积CT 断层CT 图象重建 Radon变换 |
Review for The Study of Image Reconstruction Algorithms in Volume CT |
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| Lu Donghui,Zhuang Tiange and Yan Zhuangzhi,.Review for The Study of Image Reconstruction Algorithms in Volume CT[J].Computerized Tomography Theory and Applications,2000,9(4):12-18. |
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| Authors: | Lu Donghui Zhuang Tiange and Yan Zhuangzhi |
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| Abstract: | Voluming CT which is studied later than cross-sectional CT belongs to the field of high-new technology. Compared to cross-sectional CT, it has a lot of advantages, such as the rate of obtaining projections, X-ray utilization ratio and the isotropy of the spatial resolution and density resolution in 3D object. Voluming CT will became one of the more effective methods in medical imaging and industrial nondestructive test. In this paper we introduce the history, the principal characteristics, the algorithmic classifies and the future prospects of the Voluming CT. |
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| Keywords: | Voluming CT Cross-sectional CT Image reconstruction Radon transform |
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