Samuel Powell
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Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system
D Chitnis, RJ Cooper, L Dempsey, S Powell, S Quaggia, D Highton, ...
Biomedical optics express 7 (10), 4275-4288, 2016
Functional imaging of the developing brain with wearable high-density diffuse optical tomography: A new benchmark for infant neuroimaging outside the scanner environment
EM Frijia, A Billing, S Lloyd-Fox, EV Rosas, L Collins-Jones, ...
NeuroImage 225, 117490, 2020
Quantitative photoacoustic tomography using forward and adjoint Monte Carlo models of radiance
R Hochuli, S Powell, S Arridge, B Cox
Journal of biomedical optics 21 (12), 126004, 2016
Towards a wearable near infrared spectroscopic probe for monitoring concentrations of multiple chromophores in biological tissue in vivo
D Chitnis, D Airantzis, D Highton, R Williams, P Phan, V Giagka, S Powell, ...
Review of scientific instruments 87 (6), 065112, 2016
Fast Monte Carlo simulations of ultrasound-modulated light using a graphics processing unit
TS Leung, S Powell
Journal of biomedical optics 15 (5), 055007, 2010
Highly parallel Monte-Carlo simulations of the acousto-optic effect in heterogeneous turbid media
S Powell, TS Leung
Journal of biomedical optics 17 (4), 045002, 2012
Dynamic causal modelling on infant fNIRS data: A validation study on a simultaneously recorded fNIRS-fMRI dataset
C Bulgarelli, A Blasi, S Arridge, S Powell, CCJM de Klerk, V Southgate, ...
NeuroImage 175, 413-424, 2018
Geometrically complex 3D-printed phantoms for diffuse optical imaging
LA Dempsey, M Persad, S Powell, D Chitnis, JC Hebden
Biomedical optics express 8 (3), 1754-1762, 2017
Quantitative PA tomography of high resolution 3-D images: experimental validation in a tissue phantom
J Buchmann, B Kaplan, S Powell, S Prohaska, J Laufer
Photoacoustics 17, 100157, 2020
Three-dimensional quantitative photoacoustic tomography using an adjoint radiance Monte Carlo model and gradient descent
J Buchmann, BA Kaplan, S Powell, S Prohaska, J Laufer
Journal of Biomedical Optics 24 (6), 066001, 2019
Design and validation of a mechanically flexible and ultra-lightweight high-density diffuse optical tomography system for functional neuroimaging of newborns
H Zhao, EM Frijia, EV Rosas, L Collins-Jones, G Smith, R Nixon-Hill, ...
Neurophotonics 8 (1), 015011, 2021
Evaluating a new generation of wearable high-density diffuse optical tomography technology via retinotopic mapping of the adult visual cortex
EE Vidal-Rosas, H Zhao, RW Nixon-Hill, G Smith, L Dunne, S Powell, ...
Neurophotonics 8 (2), 025002, 2021
Gradient-based quantitative image reconstruction in ultrasound-modulated optical tomography: first harmonic measurement type in a linearised diffusion formulation
S Powell, SR Arridge, TS Leung
IEEE transactions on medical imaging 35 (2), 456-467, 2015
A wide field-of-view, modular, high-density diffuse optical tomography system for minimally constrained three-dimensional functional neuroimaging
H Zhao, S Brigadoi, D Chitnis, E De Vita, M Castellaro, S Powell, ...
Biomedical Optics Express 11 (8), 4110-4129, 2020
Fourier domain diffuse correlation spectroscopy with heterodyne holographic detection
E James, S Powell
Biomedical Optics Express 11 (11), 6755-6779, 2020
Reconstruction-classification method for quantitative photoacoustic tomography
E Malone, S Powell, BT Cox, S Arridge
Journal of biomedical optics 20 (12), 126004, 2015
Data-driven approach to optimum wavelength selection for diffuse optical imaging
LA Dempsey, RJ Cooper, T Roque, T Correia, E Magee, S Powell, ...
Journal of biomedical optics 20 (1), 016003, 2015
A pseudospectral method for solution of the radiative transport equation
S Powell, BT Cox, SR Arridge
Journal of Computational Physics 384, 376-382, 2019
A spread spectrum approach to time-domain near-infrared diffuse optical imaging using inexpensive optical transceiver modules
KI Papadimitriou, LA Dempsey, JC Hebden, SR Arridge, S Powell
Biomedical Optics Express 9 (6), 2648-2663, 2018
Evaluating real-time image reconstruction in diffuse optical tomography using physiologically realistic test data
S Brigadoi, S Powell, RJ Cooper, LA Dempsey, S Arridge, N Everdell, ...
Biomedical optics express 6 (12), 4719-4737, 2015
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