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Attenuation correction of L-shell X-ray fluorescence computed tomography imaging
Liu L(刘珑); Huang Y(黄旸); Xu Q(徐清); Yan LT(闫灵通); Li L(李丽); Feng SL(冯松林); Feng XQ(冯向前); Liu, L; Huang, Y; Xu, Q; Yan, LT; Li, L; Feng, SL; Feng, XQ
2015
发表期刊CHINESE PHYSICS C
卷号39期号:3页码:38203
通讯作者冯向前
文章类型Article
摘要X-ray Fluorescence Computed Tomography (XFCT) is a widely-used experimental technique for investigating the spatial distribution of elements in a sample. However, image reconstruction for this technique is more difficult than for transmission tomography, one problem being self-absorption. In this work, we make use of known quantities and unknown density of elements of interest to express unknown attenuation maps. The attenuation maps are added to the contribution value of the pixel in the Maximum Likelihood Expectation Maximization (MLEM) reconstruction method. Results indicate that the relative error is less than 14.1%, which shows that this method can effectively correct L-shell XFCT.
关键词attenuation correction L-shell XFCT
学科领域Physics
DOI10.1088/1674-1137/39/3/038203
收录类别SCI ; CA
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000351807500018
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228375
专题多学科研究中心
推荐引用方式
GB/T 7714
Liu L,Huang Y,Xu Q,et al. Attenuation correction of L-shell X-ray fluorescence computed tomography imaging[J]. CHINESE PHYSICS C,2015,39(3):38203.
APA 刘珑.,黄旸.,徐清.,闫灵通.,李丽.,...&Feng, XQ.(2015).Attenuation correction of L-shell X-ray fluorescence computed tomography imaging.CHINESE PHYSICS C,39(3),38203.
MLA 刘珑,et al."Attenuation correction of L-shell X-ray fluorescence computed tomography imaging".CHINESE PHYSICS C 39.3(2015):38203.
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