Machine learning approach for rapid and accurate estimation of optical properties using spatial frequency domain imaging

S Panigrahi, S Gioux - Journal of biomedical optics, 2019 - spiedigitallibrary.org
tissue oxygenation and blood volume fraction can provide visual assistance during surgery
and monitoring tissue … in this study: the standard diffusion approximation (diffusion), a dense …

Numerical simulation on spatial-frequency domain imaging for estimating optical absorption and scattering properties of two-layered horticultural products

D Hu, Y Huang, Q Zhang, L Yao, Z Yang, T Sun - Applied Sciences, 2021 - mdpi.com
… for estimating optical properties of homogeneous tissues, as … by the diffusion model, which
was, therefore, used for optical … the light penetration depth, as well as the sampling volume (ie, …

Time domain diffuse correlation spectroscopy with a high coherence pulsed source: in vivo and phantom results

M Pagliazzi, SKV Sekar, L Colombo… - Biomedical optics …, 2017 - opg.optica.org
spectroscopy (TRS) or frequency domain spectroscopy, aims at … In a diffusive medium, the
correlation diffusion equation … number of scattering events and the finite gate width. The effects …

Towards pixel-dependent spatial frequency domain imaging modelling and recovery

BOL Mellors, H Dehghani - … and Spectroscopy of Tissue XIV, 2021 - spiedigitallibrary.org
… has been introduced through the modification of NIRFAST, an image modelling and
reconstruction tool based upon finite element modelling (FEM) of the diffusion approximation with …

Investigation of water diffusion dynamics in corneal phantoms using terahertz time-domain spectroscopy

A Chen, OB Osman, ZB Harris, A Abazri… - Biomedical Optics …, 2020 - opg.optica.org
… content in other diffusive samples and biological tissues. … (b) time domain and (c) frequency
domain. (d) The water loss of the … , it was numerically solved using the Finite-Difference Time-…

Optimization of spatial frequency domain imaging technique for estimating optical properties of food and biological materials

D Hu, R Lu, Y Ying - 2017 ASABE Annual International Meeting, 2017 - elibrary.asabe.org
… of sinusoidal illumination using finite element method. They … the optical parameters (ie,
μa and μs’) in the diffusion model … volumes of Intralipid to form seven 550 mL liquid optical

A method for medical diagnosis based on optical fluence rate distribution at tissue surface

O Hamdy, J El-Azab, TA Al-Saeed, MF Hassan… - Materials, 2017 - mdpi.com
optical parameters values were substituted in the diffusion equation to simulate the fluence
rate at the tissue surface using the finite … the principle of frequency domain photon migration …

Quantifying tissue optical properties of human heads in vivo using continuous-wave near-infrared spectroscopy and subject-specific three-dimensional Monte Carlo …

TC Kao, KB Sung - Journal of Biomedical Optics, 2022 - spiedigitallibrary.org
… (TR) 4 or frequency-domain (FD) 5 reflectance spectroscopy. … by finite-element calculations
of light propagation using the … , using the diffusion approximation solution to simulate light

Diffuse reflectance spectroscopy for determination of optical properties and chromophore concentrations of mice internal organs in the range of 350 nm to 1860 nm

MS Nogueira, M Raju, J Gunther… - … Solutions for Better …, 2018 - spiedigitallibrary.org
… transport equation with the diffusion approximation) [102-115] … , and the absorption spectra
from chromophores reported in the … in the interrogated volume of our measurements. On the …

Time-domain diffuse correlation spectroscopy: from physics to biomedical applications

L Colombo - 2021 - politesi.polimi.it
… intensity fluctuations of coherent light diffused by a turbid … the specific absorption spectrum
of the main biological tissue’s … • Spatial-frequency domain uses spatial modulation of the …