Acceleration of Monte Carlo modeling of light transport in turbid media; an approach based on hybrid, theoretical and numerical, calculations

被引：7
|
作者：
Di Rocco, Hector O. [1 ,2 ]
Iriarte, Daniela I. [1 ,2 ]
Pomarico, Juan A. [1 ,2 ]
Ranea-Sandoval, Hector F. [1 ,2 ]
机构：
[1] IFAS UNCPBA, Tandil, Argentina
[2] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2009年 / 110卷 / 4-5期
关键词：
Multiple scattering; Tissue optics; Monte Carlo simulations; Transillumination; DIFFUSION-APPROXIMATION; OPTICAL-PROPERTIES; PHOTON MIGRATION; SCATTERING MEDIA; PROPAGATION; TISSUE;
D O I：
10.1016/j.jqsrt.2008.11.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel method to accelerate Monte Carlo (MC) simulations of photon migration in turbid media is presented. It is specifically suited for transillumination studies in slab geometries including some deep inhomogeneity. Propagation up to the inhomogeneity. at a given depth S-1, is replaced by theoretical calculations using well established models. Then, photon propagation is continued inside the complete slab using MC rules until detection or absorption occurs. We report improvements in speed in factors up to approximately 10; the deeper the inhomogeneity, the larger the improvement. Examples are given showing that information remains unchanged with respect to pure MC simulations. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：307 / 314
页数：8
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