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A direct reconstruction method with variable constraints
Liu, L; Wang, YM
1999
发表期刊INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY
卷号10期号:5页码:379-384
通讯作者Zhejiang Univ, Dept Life Sci & Biomed Engn, Hangzhou 300072, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Zhengzhou Univ, Zhengzhou 450052, Peoples R China
文章类型Article
摘要In this article. a direct method to reconstruct images from projections is presented. This method, having its origin in astrophysics to restore images from observed data, uses a constant upper bound and a variable lower bound to constrain the maximum and minimum values taken by the emission intensity during iteration. Computer-simulated emission projection data from two phantoms are used for reconstruction. Comparison is made with other methods. The results show that a much better spatial resolution can be acquired by this method, especially for the sharp-shaped emission sources. (C) 1999 John Wiley & Sons, Inc.
学科领域Engineering; Optics; Imaging Science & Photographic Technology
研究领域[WOS]Engineering ; Optics ; Imaging Science & Photographic Technology ; Engineering ; Optics ; Imaging Science & Photographic Technology
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语种英语
研究领域[WOS]Engineering ; Optics ; Imaging Science & Photographic Technology ; Engineering ; Optics ; Imaging Science & Photographic Technology
WOS类目Engineering, Electrical & Electronic ; Optics ; Imaging Science & Photographic Technology
WOS记录号WOS:000084547600002
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237243
专题实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Liu, L,Wang, YM. A direct reconstruction method with variable constraints[J]. INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY,1999,10(5):379-384.
APA Liu, L,&Wang, YM.(1999).A direct reconstruction method with variable constraints.INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY,10(5),379-384.
MLA Liu, L,et al."A direct reconstruction method with variable constraints".INTERNATIONAL JOURNAL OF IMAGING SYSTEMS AND TECHNOLOGY 10.5(1999):379-384.
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