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Method for recovering quantitative broadband diffuse optical spectra from layered media

机译:从分层介质中恢复定量宽带漫射光谱的方法

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摘要

We report the recovery of broadband (650-1000 nm) diffuse optical absorption and reduced scatteringspectra stratified by layer in a two-layer phantom. The broadband optical properties of the phantom featured top and bottom layers designed to simulate adipose and muscle, respectively. The absolute value and dynamic variation of chromophore concentrations in both layers (top layer thickness greater than 5 mm) were calculated with an average 10percent error and 3percent error, respectively. In addition to spectra, the algorithm recovers the top layer thickness up to 12 mm within 10percent error. It is insensitive to initial guesses of both layers' optical properties as long as the layer thickness initial guess is within +-2 mm.
机译:我们报告了宽带(650-1000 nm)漫反射光吸收的恢复,并通过两层体模中的层分层减少了散射光谱。幻影的宽带光学特性具有设计用于分别模拟脂肪和肌肉的顶层和底层。计算两层(顶层厚度大于5 mm)中生色团浓度的绝对值和动态变化,分别具有10%的平均误差和3%的平均误差。除光谱外,该算法还可以在10%的误差内恢复最高达12 mm的顶层厚度。只要层厚度的初始猜测在+ -2 mm之内,它对两层光学特性的初始猜测就不敏感。

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