Fast method for inverse determination of optical parameters from two measured signals

被引：11

作者：

Chen, Xun ^{[1
]}

Feng, Yuanming ^{[1
,2
]}

Lu, Jun Q. ^{[2
]}

Liang, Xiaohui ^{[3
]}

Ding, Jue ^{[3
]}

Du, Yong ^{[4
]}

Hu, Xin-Hua ^{[1
,2
]}

机构：

[1] Tianjin Univ, Dept Biomed Engn, Tianjin 300072, Peoples R China

[2] E Carolina Univ, Dept Phys, Greenville, NC 27858 USA

[3] Acad Mil Med Sci, Beijing 100850, Peoples R China

[4] Johns Hopkins Univ, Dept Radiol, Baltimore, MD 21287 USA

来源：

OPTICS LETTERS | 2013年 / 38卷 / 12期

关键词：

PORCINE SKIN DERMIS; MONTE-CARLO METHOD; TURBID MEDIA; PHOTON MIGRATION; LIGHT TRANSPORT; NM; TISSUES;

D O I：

10.1364/OL.38.002095

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Solving inverse problems requires multiple forward calculations of measured signals. We present a fast method combining graphic processing unit-accelerated Monte Carlo simulations of individual photons and a new perturbation scheme for a 300-fold speedup in comparison to conventional CPU-based approaches. The method allows rapid calculations of the diffuse reflectance and transmittance signals from a turbid sample of absorption coefficient mu(a), scattering coefficient mu(s), and anisotropy factor g based on the principle of correlated sampling. To demonstrate its strong utility, we have applied the method for determining the optical parameters of diluted intralipid samples with satisfactory results. (c) 2013 Optical Society of America

引用

页码：2095 / 2097

页数：3

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