Preliminary research on dual-energy X-ray phase-contrast imaging
Han, HJ; Wang, SH; Gao, K; Wang, ZL; Zhang, C; Yang, M; Zhang, K; Zhu, PP; Zhang K(张凯); Zhu PP(朱佩平)
Source PublicationCHINESE PHYSICS C
AbstractDual-energy X-ray absorptiometry (DEXA) has been widely applied to measure the bone mineral density (BMD) and soft-tissue composition of the human body. However, the use of DEXA is greatly limited for low Z materials such as soft tissues due to their weak absorption, while X-ray phase-contrast imaging (XPCI) shows significantly improved contrast in comparison with the conventional standard absorption-based X-ray imaging for soft tissues. In this paper, we propose a novel X-ray phase-contrast method to measure the area density of low-Z materials, including a single-energy method and a dual-energy method. The single-energy method is for the area density calculation of one low-Z material, while the dual-energy method aims to calculate the area densities of two low-Z materials simultaneously. Comparing the experimental and simulation results with the theoretical ones, the new method proves to have the potential to replace DEXA in area density measurement. The new method sets the prerequisites for a future precise and low-dose area density calculation method for low-Z materials.
KeywordX-ray imaging dual-energy phase-contrast area density
Indexed BySCI ; ADS
WOS IDWOS:000374121600021
ADS Bibcode2016ChPhC..40d8201H
ADS URLhttps://ui.adsabs.harvard.edu/abs/2016ChPhC..40d8201H
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2016ChPhC..40d8201H/citations
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Cited Times:2 [ADS]
Document Type期刊论文
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GB/T 7714
Han, HJ,Wang, SH,Gao, K,et al. Preliminary research on dual-energy X-ray phase-contrast imaging[J]. CHINESE PHYSICS C,2016,40(4):48201.
APA Han, HJ.,Wang, SH.,Gao, K.,Wang, ZL.,Zhang, C.,...&朱佩平.(2016).Preliminary research on dual-energy X-ray phase-contrast imaging.CHINESE PHYSICS C,40(4),48201.
MLA Han, HJ,et al."Preliminary research on dual-energy X-ray phase-contrast imaging".CHINESE PHYSICS C 40.4(2016):48201.
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