Powell, Samuel - University College London - Department of medical physics and biomedical engineering

个人简介

2014 PhD Doctor of Philosophy – Medical Physics and Bioengineering University College London 2009 MSc Master of Science – Acoustics University of Salford 2007 BEng Bachelor of Engineering – Electrical Engineering University of Warwick

近期论文

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Chitnis, D., Cooper, R. J., Dempsey, L., Powell, S., Quaggia, S., Highton, D., . . . Everdell, N. L. (2016). Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system. BIOMEDICAL OPTICS EXPRESS, 7 (10), 4275-4288. doi:10.1364/BOE.7.004275 Hochuli, R., Powell, S., Arridge, S., & Cox, B. (2016). Quantitative photoacoustic tomography using forward and adjoint Monte Carlo models of radiance. Journal of Biomedical Optics, 21 (12). doi:10.1117/1.JBO.21.12.126004 Chitnis, D., Airantzis, D., Highton, D., Williams, R., Phan, P., Giagka, V., . . . Everdell, N. (2016). Towards a wearable near infrared spectroscopic probe for monitoring concentrations of multiple chromophores in biological tissue in vivo. Review of Scientific Instruments. doi:10.1063/1.4954722 Dempsey, L. A., Cooper, R. J., Roque, T., Correia, T., Magee, E., Powell, S., . . . Hebden, J. C. (2015). Data-driven approach to optimum wavelength selection for diffuse optical imaging. J Biomed Opt, 20 (1), 016003-?. doi:10.1117/1.JBO.20.1.016003 Powell, S., Cooper, R. J., Hebden, J. C., & Arridge, S. R. (2015). Dynamic image reconstruction in time-resolved diffuse optical tomography. OPTICAL TOMOGRAPHY AND SPECTROSCOPY OF TISSUE XI, 9319. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2077465 Brigadoi, S., Powell, S., Cooper, R. J., Dempsey, L. A., Arridge, S., Everdell, N., . . . Gibson, A. P. (2015). Evaluating real-time image reconstruction in diffuse optical tomography using physiologically realistic test data. BIOMEDICAL OPTICS EXPRESS, 6 (12), 4719-4736. doi:10.1364/BOE.6.004719 Powell, S., Arridge, S. R., & Leung, T. S. (2015). First-harmonic sensitivity functions for a linearised diffusion model of ultrasound-modulated optical tomography. PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2015, 9323, ARTN 932342. doi:10.1117/12.2077435 Hochuli, R., Powell, S., Arridge, S., & Cox, B. (2015). Forward and Adjoint Radiance Monte Carlo Models for Quantitative Photoacoustic Imaging. PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2015, 9323, ARTN 93231P. doi:10.1117/12.2081407 Hochuli, Powell, S., Arridge, S., & Cox, B. (2015). Forward and Adjoint Radiance Monte Carlo Models for Quantitative Photoacoustic Imaging. Proc. SPIE. 9323, 93231P. doi:10.1117/12.2081407 Powell, S., Arridge, S. R., & Leung, T. S. (2015). Gradient-based quantitative image reconstruction in ultrasound-modulated optical tomography: first harmonic measurement type in a linearised diffusion formulation. Medical Imaging, IEEE Transactions on, PP (99), 1. doi:10.1109/TMI.2015.2478742 Hebden, J. C., Alkhaja, A., Mahe, L., Powell, S., & Everdell, N. L. (2015). Measurement of contrast of phantom and in vivo subsurface blood vessels using two near-infrared imaging systems. OPTICAL DIAGNOSTICS AND SENSING XV: TOWARD POINT-OF-CARE DIAGNOSTICS, 9332. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2084673 Malone, E., Powell, S., Cox, B. T., & Arridge, S. (2015). Reconstruction-classification method for quantitative photoacoustic tomography. JOURNAL OF BIOMEDICAL OPTICS, 20 (12), ARTN 126004. doi:10.1117/1.JBO.20.12.126004 Dempsey, L. A., Cooper, R. J., Powell, S., Edwards, A., Lee, C. -. W., Brigadoi, S., . . . Hebden, J. C. (2015). Whole-head functional brain imaging of neonates at cot-side using time-resolved diffuse optical tomography. DIFFUSE OPTICAL IMAGING V, 9538. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2190420 Powell, S., & Leung, T. S. (2014). Quantitative reconstruction of absorption and scattering coefficients in ultrasound-modulated optical tomography. Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 8943. doi:10.1117/12.2039770 Powell, S. (2014). Forward models and image reconstruction in ultrasound modulated optical tomography (Doctoral dissertation). UCL (University College London). Powell, S., & Leung, T. S. (2013). Image reconstruction techniques for ultrasound-modulated optical tomography. Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 8578. doi:10.1117/12.2001857 Powell, S., & Leung, T. S. (2013). Linear reconstruction of absorption perturbations in coherent ultrasound-modulated optical tomography. Journal of Biomedical Optics, 18 (12). doi:10.1117/1.JBO.18.12.126020 Powell, S., & Leung, T. S. (2012). Acousto-optic monitoring of high-intensity focused ultrasound lesion formation with fibre-coupled autocorrelation detection. Proceedings of Meetings on Acoustics, 15. doi:10.1121/1.4803866 Powell, S., & Leung, T. S. (2012). Highly parallel Monte-Carlo simulations of the acousto-optic effect in heterogeneous turbid media. JOURNAL OF BIOMEDICAL OPTICS, 17 (4), ARTN 045002. doi:10.1117/1.JBO.17.4.045002 LEUNG, T., & Powell, S. (2010). Fast Monte Carlo simulations of ultrasound-modulated light using a Graphics Processing Unit. Journal of Biomedical optics, 15, 055007. Gunadi, S., Powell, S., Elwell, C. E., & Leung, T. S. (2010). Optimization of the acousto-optic signal detection in cylindrical geometry. PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2010, 7564. SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.842175