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Galerkin-based meshless methods for photon transport in the biological tissue
Qin, Chenghu; Tian, Jie; Yang, Xin; Liu, Kai; Yan, Guorui; Feng, Jinchao; Lv, Yujie; Xu, Min
2008-12-08
发表期刊OPTICS EXPRESS
卷号16期号:25页码:20317-20333
文章类型Article
摘要As an important small animal imaging technique, optical imaging has attracted increasing attention in recent years. However, the photon propagation process is extremely complicated for highly scattering property of the biological tissue. Furthermore, the light transport simulation in tissue has a significant influence on inverse source reconstruction. In this contribution, we present two Galerkin-based meshless methods (GBMM) to determine the light exitance on the surface of the diffusive tissue. The two methods are both based on moving least squares (MLS) approximation which requires only a series of nodes in the region of interest, so complicated meshing task can be avoided compared with the finite element method (FEM). Moreover, MLS shape functions are further modified to satisfy the delta function property in one method, which can simplify the processing of boundary conditions in comparison with the other. Finally, the performance of the proposed methods is demonstrated with numerical and physical phantom experiments. (C) 2008 Optical Society of America
关键词Light Propagation In Tissues Medical And Biological Imaging Photon Migration
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]BIOLUMINESCENCE TOMOGRAPHY ; RECONSTRUCTION METHOD ; SCATTERING MEDIA ; GENE-EXPRESSION ; HUMAN HEAD ; LIGHT ; PROPAGATION ; SIMULATION ; BOUNDARY ; SYSTEM
收录类别SCI
语种英语
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000261563100017
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9635
专题09年以前成果
通讯作者Tian, Jie
作者单位Chinese Acad Sci, Inst Automat, Med Image Proc Grp, Key Lab Complex Syst & Intelligence Sci, Beijing 100190, Peoples R China
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GB/T 7714
Qin, Chenghu,Tian, Jie,Yang, Xin,et al. Galerkin-based meshless methods for photon transport in the biological tissue[J]. OPTICS EXPRESS,2008,16(25):20317-20333.
APA Qin, Chenghu.,Tian, Jie.,Yang, Xin.,Liu, Kai.,Yan, Guorui.,...&Xu, Min.(2008).Galerkin-based meshless methods for photon transport in the biological tissue.OPTICS EXPRESS,16(25),20317-20333.
MLA Qin, Chenghu,et al."Galerkin-based meshless methods for photon transport in the biological tissue".OPTICS EXPRESS 16.25(2008):20317-20333.
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