Measurement of the spatial resolution and the relative density resolution in an industrial cone-beam micro computed tomography system

CORC > 高能物理研究所 > 中国科学院高能物理研究所 > 核技术应用研究中心

	Measurement of the spatial resolution and the relative density resolution in an industrial cone-beam micro computed tomography system
	Wang YF(王燕芳); Que JM(阙介民); Cao DQ(曹大泉); Wang, YF; Que, JM; Cao, DQ; Sun, CL; Zhao, W; Wei, CF; Shi, RJ
刊名	CHINESE PHYSICS C
	2013
卷号	37 期号:7 页码:78202
关键词	micro computed tomography point spread function contrast discrimination function modulation transfer function
英文摘要	The spatial resolution and the relative density resolution are the two most critical indicators in CT system. The method recommended in the ASTM E1695-95 and GJB 5311-2004 is only suitable to the fan-beam CT system. In this paper, for industrial cone-beam micro CT system, we will adopt the edge response function (ERF) created by the step edges of a steel ball to measure the system 3D PSF and MTF. To describe the contrast discrimination function more accurately, we will first propose to extend the two-dimensional measurement region to the three-dimensional space. Our experimental spatial resolution is (55.56+/-0.56) lp/mm and the relative density resolution is 1% within 300 mu mx300 mu mx300 mu m according to the 3 sigma rule.
学科主题	Physics
收录类别	SCI
WOS记录号	WOS:000322937400017
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/224759]
专题	高能物理研究所_核技术应用研究中心
推荐引用方式 GB/T 7714	Wang YF,Que JM,Cao DQ,et al. Measurement of the spatial resolution and the relative density resolution in an industrial cone-beam micro computed tomography system[J]. CHINESE PHYSICS C,2013,37(7):78202.
APA	王燕芳.,阙介民.,曹大泉.,Wang, YF.,Que, JM.,...&魏龙.(2013).Measurement of the spatial resolution and the relative density resolution in an industrial cone-beam micro computed tomography system.CHINESE PHYSICS C,37(7),78202.
MLA	王燕芳,et al."Measurement of the spatial resolution and the relative density resolution in an industrial cone-beam micro computed tomography system".CHINESE PHYSICS C 37.7(2013):78202.