基于蒙特卡罗查找表的逆模型，用于从使用漫反射光谱法的组织模拟体中提取光学特性。
Monte Carlo lookup table-based inverse model for extracting optical properties from tissue-simulating phantoms using diffuse reflectance spectroscopy.
机构信息
Biomedical Engineering, University of Texas at Austin, 107 W. Dean Keaton, Austin, Texas 78712, USA.
出版信息
J Biomed Opt. 2013 Mar;18(3):037003. doi: 10.1117/1.JBO.18.3.037003.
Abstract
We present a Monte Carlo lookup table (MCLUT)-based inverse model for extracting optical properties from tissue-simulating phantoms. This model is valid for close source-detector separation and highly absorbing tissues. The MCLUT is based entirely on Monte Carlo simulation, which was implemented using a graphics processing unit. We used tissue-simulating phantoms to determine the accuracy of the MCLUT inverse model. Our results show strong agreement between extracted and expected optical properties, with errors rate of 1.74% for extracted reduced scattering values, 0.74% for extracted absorption values, and 2.42% for extracted hemoglobin concentration values.
摘要
我们提出了一种基于蒙特卡罗查找表（MCLUT）的反演模型，用于从组织模拟体中提取光学特性。该模型适用于近距离源探测器分离和高吸收组织。MCLUT 完全基于蒙特卡罗模拟，该模拟使用图形处理单元实现。我们使用组织模拟体来确定 MCLUT 反演模型的准确性。我们的结果表明，提取的光学特性与预期的特性具有很强的一致性，提取的散射值的误差率为 1.74%，吸收值的误差率为 0.74%，血红蛋白浓度值的误差率为 2.42%。
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