Journal ArticleDOI
Determining the optical properties of turbid media by using the adding–doubling method
TLDR
A method is described for finding the optical properties of a slab of turbid material by using total reflection, unscattered transmission, and total transmission measurements and the intrinsic error in the method is < 3% when four quadrature points are used.Abstract:
A method is described for finding the optical properties (scattering, absorption, and scattering anisotropy) of a slab of turbid material by using total reflection, unscattered transmission, and total transmission measurements. This method is applicable to homogeneous turbid slabs with any optical thickness, albedo, or phase function. The slab may have a different index of refraction from its surroundings and may or may not be bounded by glass. The optical properties are obtained by iterating an adding–doubling solution of the radiative transport equation until the calculated values of the reflection and transmission match the measured ones. Exhaustive numerical tests show that the intrinsic error in the method is <3% when four quadrature points are used.read more
Citations
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Measurement of rat and human tissue optical properties for improving the optical detection and visualization of peripheral nerves.
TL;DR: In this paper , the absorption and scattering properties of rat and human nerve, muscle, fat, and tendon were determined from 352-2500 nm, and the optical properties highlighted an ideal region in the shortwave infrared for detecting embedded nerves.
Journal ArticleDOI
Inverse Monte Carlo法による光線力学療法前後の腫瘍組織の光学特性の算出
TL;DR: Inverse Monte Carlo法を用いて波長350～1000nm; PDT前に比べて0.64mm-1から1.24 mm-1に増加し，結�“（PDT後の光の治療成績を向上させるために重
Journal ArticleDOI
Dynamic change in optical properties of a nanoparticle embedded tumor phantom for plasmonic photothermal cancer therapeutics
Vikas,Raj Kumar,Sanjeev Soni +2 more
TL;DR: In this article , the optical properties of gold nanorods (GNR) embedded tumor phantom, during photothermal interaction, are reported for plasmonic photothermal therapeutics.
Journal ArticleDOI
Real-time and accurate estimation ex vivo of four basic optical properties from thin tissue based on a cascade forward neural network.
TL;DR: In this article , a deep learning solution was proposed to precisely extract four basic optical properties (OPs) in real-time from thin ex vivo tissues, leveraging a dedicated cascade forward neural network (CFNN) for each OP with an additional input of the refractive index of the cuvette holder.
Determination of glucose concentration in tissue-like material using spatially resolved steady-state diffuse reflectance spectroscopy - art. no. 685508
TL;DR: In this paper, a spatially resolved steady-state diffuse reflectance spectroscopy in the wavelength region 1000-1700nm, where glucose has two absorption peaks at around 1250nm and 1600nm, was investigated.
References
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Journal ArticleDOI
A simplex method for function minimization
John A. Nelder,R. Mead +1 more
TL;DR: A method is described for the minimization of a function of n variables, which depends on the comparison of function values at the (n 41) vertices of a general simplex, followed by the replacement of the vertex with the highest value by another point.
Book
Introduction to Numerical Analysis
Josef Stoer,Roland Bulirsch +1 more
TL;DR: This well written book is enlarged by the following topics: B-splines and their computation, elimination methods for large sparse systems of linear equations, Lanczos algorithm for eigenvalue problems, implicit shift techniques for theLR and QR algorithm, implicit differential equations, differential algebraic systems, new methods for stiff differential equations and preconditioning techniques.
Journal ArticleDOI
A review of the optical properties of biological tissues
TL;DR: The known optical properties (absorption, scattering, total attenuation, effective attenuation and/or anisotropy coefficients) of various biological tissues at a variety of wavelengths are reviewed in this article.
Journal ArticleDOI
New contributions to the optics of intensely light-scattering materials.
TL;DR: In this paper, the Gurevic and Judd formulas were derived from the Kubelka-Munk differential equations, and they are exact under the same conditions as in this paper, that is, when the material is perfectly dull and when the light, is perfectly diffused or if it is parallel and hits the specimen under an angle of 60° from normal.