CASIA OpenIR  > 09年以前成果
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
Source PublicationOPTICS EXPRESS
2008-12-08
Volume16Issue:25Pages:20317-20333
SubtypeArticle
AbstractAs 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
KeywordLight Propagation In Tissues Medical And Biological Imaging Photon Migration
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordBIOLUMINESCENCE TOMOGRAPHY ; RECONSTRUCTION METHOD ; SCATTERING MEDIA ; GENE-EXPRESSION ; HUMAN HEAD ; LIGHT ; PROPAGATION ; SIMULATION ; BOUNDARY ; SYSTEM
Indexed BySCI
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000261563100017
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Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9635
Collection09年以前成果
Corresponding AuthorTian, Jie
AffiliationChinese Acad Sci, Inst Automat, Med Image Proc Grp, Key Lab Complex Syst & Intelligence Sci, Beijing 100190, Peoples R China
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
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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