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Polynomial curve fitting method for refraction-angle extraction in diffraction enhanced imaging
Chen, ZQ; Ding, F; Huang, ZF; Zhang, L; Yin, HX; Wang, ZC; Zhu, PP; Zhu PP(朱佩平)
2009
发表期刊CHINESE PHYSICS C
卷号33期号:11页码:969-974
通讯作者[Chen Zhi-Qiang ; Ding Fei ; Huang Zhi-Feng ; Zhang Li] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China ; [Chen Zhi-Qiang ; Ding Fei ; Huang Zhi-Feng ; Zhang Li] Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Beijing 100084, Peoples R China ; [Yin Hong-Xia ; Wang Zhen-Chang] Capital Med Univ, Med Imaging Ctr, Beijing Tongren Hosp, Beijing 100730, Peoples R China ; [Zhu Pei-Ping] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要X-ray diffraction enhanced imaging (DEI) is applied to inspect internal structures of weakly absorbing low-Z sample. How to extract phase information from raw images measured in different positions of rocking curve is the key problem of DEL In this paper, we present an effective extraction method called polynomial curve fitting method, in order to extract accurate information angular in a fast speed. It is compared with the existing methods such as multiple-images statistical method and Gaussian curve fitting method. The experiments results on a plastic cylinder and a black ant at the Beijing Synchrotron Radiation Facility prove that the polynomial curve fitting method can obtain most approximate refraction-angle values and its computation speed is 10 times faster than the Gaussian curve fitting method.
关键词diffraction enhanced imaging synchrotron radiation polynomial curve fitting
学科领域Physics
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语种英语
WOS研究方向Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000271893700007
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238820
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Chen, ZQ,Ding, F,Huang, ZF,et al. Polynomial curve fitting method for refraction-angle extraction in diffraction enhanced imaging[J]. CHINESE PHYSICS C,2009,33(11):969-974.
APA Chen, ZQ.,Ding, F.,Huang, ZF.,Zhang, L.,Yin, HX.,...&朱佩平.(2009).Polynomial curve fitting method for refraction-angle extraction in diffraction enhanced imaging.CHINESE PHYSICS C,33(11),969-974.
MLA Chen, ZQ,et al."Polynomial curve fitting method for refraction-angle extraction in diffraction enhanced imaging".CHINESE PHYSICS C 33.11(2009):969-974.
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