Diffuse optical detection of global cerebral ischemia in an adult porcine model
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Biophotonics"
DOI: 10.1002/jbio.202200168
Abstract: Rapid screening for ischemic strokes in prehospital settings may improve patient outcomes by allowing early deployment of vascular recanalization therapies. However, there are no low‐cost and convenient methods that can assess ischemic strokes in such… read more here.
Keywords: optical detection; adult; detection global; diffuse optical ... See more keywords
Capacitive charge approach to diffuse optical tomography systems
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-0988-5
Abstract: In this study the capacitive charge model approach has been explored to evaluate depth information of continuous wave (CW) diffuse optical tomography (DOT) systems. CW DOT systems have two geometric data acquisition structures depending on the laser source… read more here.
Keywords: back reflected; diffuse optical; capacitive charge; model ... See more keywords
Photon fluencies for diffuse optical tomography systems
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.05.035
Abstract: Abstract In this work, photon fluencies have been used to explore the depth of buried layers for diffuse optical tomography (DOT) systems. Back-reflected diffuse reflectance data were generated by Monte Carlo Modelling of Light Transport… read more here.
Keywords: diffuse optical; geometry; optical tomography; equation ... See more keywords
Greedy algorithms for diffuse optical tomography reconstruction
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.09.056
Abstract: Abstract Diffuse optical tomography (DOT) is a noninvasive imaging modality that reconstructs the optical parameters of a highly scattering medium. However, the inverse problem of DOT is ill-posed and highly nonlinear due to the zig-zag… read more here.
Keywords: greedy algorithms; diffuse optical; matching pursuit; optical tomography ... See more keywords
Diffuse optical tomography to investigate the newborn brain
Sign Up to like & getrecommendations! Published in 2017 at "Pediatric Research"
DOI: 10.1038/pr.2017.107
Abstract: Over the past 15 years, functional near-infrared spectroscopy (fNIRS) has emerged as a powerful technology for studying the developing brain. Diffuse optical tomography (DOT) is an extension of fNIRS that combines hemodynamic information from dense… read more here.
Keywords: diffuse optical; optical tomography; brain diffuse; brain ... See more keywords
Shedding light on the neonatal brain: probing cerebral hemodynamics by diffuse optical spectroscopic methods
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-15995-1
Abstract: Investigating the cerebral physiology of healthy term newborns’ brains is important for better understanding perinatal brain injuries, of which the most common etiologies are hypoxia and ischemia. Hence, cerebral blood flow and cerebral oxygenation are… read more here.
Keywords: cerebral hemodynamics; diffuse optical; neonatal brain; spectroscopy ... See more keywords
Sparsity and level set regularization for diffuse optical tomography using a transport model in 2D
Sign Up to like & getrecommendations! Published in 2017 at "Inverse Problems"
DOI: 10.1088/0266-5611/33/1/014001
Abstract: In this paper we address an inverse problem for the time-dependent linear transport equation (or radiative transfer equation) in 2D having in mind applications in diffuse optical tomography (DOT). We propose two new reconstruction algorithms… read more here.
Keywords: reconstruction; diffuse optical; optical tomography; equation ... See more keywords
Nonconvex and nonsmooth total variation regularization method for diffuse optical tomography based on RTE * * Submitted Funding: this work is supported by the National Natural Science Foundation of China (Grant No. 11701159).
Sign Up to like & getrecommendations! Published in 2021 at "Inverse Problems"
DOI: 10.1088/1361-6420/abf5ed
Abstract: Diffuse optical tomography with near-infrared light is a promising technique for noninvasive study of the functional characters of human tissues. Mathematically, it is a seriously ill-posed parameter identification problem. For the purpose of better providing… read more here.
Keywords: nonsmooth total; diffuse optical; total variation; regularization ... See more keywords
Regularization of the factorization method applied to diffuse optical tomography
Sign Up to like & getrecommendations! Published in 2021 at "Inverse Problems"
DOI: 10.1088/1361-6420/ac37f9
Abstract: In this paper, we develop a new regularized version of the factorization method for positive operators mapping a complex Hilbert space into it is dual space. The factorization method uses Picard’s criteria to define an… read more here.
Keywords: factorization method; regularization factorization; method; diffuse optical ... See more keywords
Brain-wide functional diffuse optical tomography of resting state networks
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Neural Engineering"
DOI: 10.1088/1741-2552/abfdf9
Abstract: Objective. Diffuse optical tomography (DOT) has the potential in reconstructing resting state networks (RSNs) in human brains with high spatio-temporal resolutions and multiple contrasts. While several RSNs have been reported and successfully reconstructed using DOT,… read more here.
Keywords: diffuse optical; brain wide; resting state; optical tomography ... See more keywords
Dual-Wavelength Diffuse Optical Tomographic System for Direct Concentration Measurement
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2020.2978965
Abstract: This article presents a promising dual-wavelength continuous wave (CW) diffuse optical tomography (DOT) system for direct estimation of concentrations and hemodynamic parameters for potential application in detection of rheumatoid arthritis (RA). The generalized curved-beam reconstruction… read more here.
Keywords: dual wavelength; diffuse optical; system direct; measurement ... See more keywords