B T Cox

Summary

Affiliation: University College London
Country: UK

Publications

  1. ncbi request reprint k-space propagation models for acoustically heterogeneous media: application to biomedical photoacoustics
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London WC1E 6BT, United Kingdom
    J Acoust Soc Am 121:3453-64. 2007
  2. pmc Quantitative Photoacoustic Image Reconstruction using Fluence Dependent Chromophores
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, London, WC1E 6BT, UK
    Biomed Opt Express 1:201-208. 2010
  3. doi request reprint Artifact trapping during time reversal photoacoustic imaging for acoustically heterogeneous media
    Benjamin T Cox
    Department of Medical Physics and Bioengineering, University College, WC1E 6DE London, U K
    IEEE Trans Med Imaging 29:387-96. 2010
  4. ncbi request reprint The frequency-dependent directivity of a planar fabry-perot polymer film ultrasound sensor
    Benjamin T Cox
    Department of Medical Physics and Bioengineering, University College London, UK
    IEEE Trans Ultrason Ferroelectr Freq Control 54:394-404. 2007
  5. ncbi request reprint Estimating chromophore distributions from multiwavelength photoacoustic images
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, London WC1E 6BT, UK
    J Opt Soc Am A Opt Image Sci Vis 26:443-55. 2009
  6. doi request reprint Photoacoustic tomography with a single detector in a reverberant cavity
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London, United Kingdom
    J Acoust Soc Am 125:1426-36. 2009
  7. doi request reprint A k-space Green's function solution for acoustic initial value problems in homogeneous media with power law absorption
    Bradley E Treeby
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London, WC1E 6BT, United Kingdom
    J Acoust Soc Am 129:3652-60. 2011
  8. doi request reprint A first-order k-space model for elastic wave propagation in heterogeneous media
    K Firouzi
    Department of Mechanical Engineering, University College London, London, WC1E 7JE, United Kingdom
    J Acoust Soc Am 132:1271-83. 2012
  9. ncbi request reprint Two-dimensional quantitative photoacoustic image reconstruction of absorption distributions in scattering media by use of a simple iterative method
    Benjamin T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London WC1E 6BT, UK
    Appl Opt 45:1866-75. 2006
  10. doi request reprint Measurement of broadband temperature-dependent ultrasonic attenuation and dispersion using photoacoustics
    Bradley E Treeby
    Department of Medical Physics and Bioengineering, University College London, London, UK
    IEEE Trans Ultrason Ferroelectr Freq Control 56:1666-76. 2009

Detail Information

Publications15

  1. ncbi request reprint k-space propagation models for acoustically heterogeneous media: application to biomedical photoacoustics
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London WC1E 6BT, United Kingdom
    J Acoust Soc Am 121:3453-64. 2007
    ....
  2. pmc Quantitative Photoacoustic Image Reconstruction using Fluence Dependent Chromophores
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, London, WC1E 6BT, UK
    Biomed Opt Express 1:201-208. 2010
    ..This technique provides an alternative to model-based multiwavelength approaches to quantitative photoacoustic imaging, and a new approach to photoacoustic molecular and functional imaging...
  3. doi request reprint Artifact trapping during time reversal photoacoustic imaging for acoustically heterogeneous media
    Benjamin T Cox
    Department of Medical Physics and Bioengineering, University College, WC1E 6DE London, U K
    IEEE Trans Med Imaging 29:387-96. 2010
    ..Here, it is shown that such reconstruction algorithms can "trap" time reversed scattered waves, leading to artifacts within the image region. Two ways to mitigate this effect are proposed...
  4. ncbi request reprint The frequency-dependent directivity of a planar fabry-perot polymer film ultrasound sensor
    Benjamin T Cox
    Department of Medical Physics and Bioengineering, University College London, UK
    IEEE Trans Ultrason Ferroelectr Freq Control 54:394-404. 2007
    ..For a polymer film sensor with a FP cavity of thickness d, the minimum effective element radius was found to be about 0.9 d, and that an illumination spot radius of less than d/4 is required to achieve it...
  5. ncbi request reprint Estimating chromophore distributions from multiwavelength photoacoustic images
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, London WC1E 6BT, UK
    J Opt Soc Am A Opt Image Sci Vis 26:443-55. 2009
    ....
  6. doi request reprint Photoacoustic tomography with a single detector in a reverberant cavity
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London, United Kingdom
    J Acoust Soc Am 125:1426-36. 2009
    ..The practicalities of such an approach to photoacoustic imaging are discussed...
  7. doi request reprint A k-space Green's function solution for acoustic initial value problems in homogeneous media with power law absorption
    Bradley E Treeby
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London, WC1E 6BT, United Kingdom
    J Acoust Soc Am 129:3652-60. 2011
    ....
  8. doi request reprint A first-order k-space model for elastic wave propagation in heterogeneous media
    K Firouzi
    Department of Mechanical Engineering, University College London, London, WC1E 7JE, United Kingdom
    J Acoust Soc Am 132:1271-83. 2012
    ..The efficiency of the model is by virtue of the reduced point-per-wavelength requirement, the use of the fast Fourier transform (FFT) to calculate the gradients in k space, and larger time steps made possible by the k-space adjustments...
  9. ncbi request reprint Two-dimensional quantitative photoacoustic image reconstruction of absorption distributions in scattering media by use of a simple iterative method
    Benjamin T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London WC1E 6BT, UK
    Appl Opt 45:1866-75. 2006
    ..The ability to recover optical properties (which directly reflect tissue physiology) could enhance photoacoustic imaging techniques, particularly methods based on spectroscopic analysis of chromophores...
  10. doi request reprint Measurement of broadband temperature-dependent ultrasonic attenuation and dispersion using photoacoustics
    Bradley E Treeby
    Department of Medical Physics and Bioengineering, University College London, London, UK
    IEEE Trans Ultrason Ferroelectr Freq Control 56:1666-76. 2009
    ..The extracted parameters are compared with other calibration measurements previously reported in the literature...
  11. doi request reprint k-Wave: MATLAB toolbox for the simulation and reconstruction of photoacoustic wave fields
    Bradley E Treeby
    University College London, Department of Medical Physics and Bioengineering, Gower Street, London, WC1E 6BT, United Kingdom
    J Biomed Opt 15:021314. 2010
    ..Last, the optimization of computational speed is demonstrated through parallel execution using a graphics processing unit...
  12. doi request reprint Modeling power law absorption and dispersion for acoustic propagation using the fractional Laplacian
    Bradley E Treeby
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London WC1E 6BT, United Kingdom
    J Acoust Soc Am 127:2741-48. 2010
    ..A framework for encoding the developed wave equation using three coupled first-order constitutive equations is discussed, and the model is demonstrated through several one-, two-, and three-dimensional simulations...
  13. ncbi request reprint Fast calculation of pulsed photoacoustic fields in fluids using k-space methods
    B T Cox
    Department of Medical Physics and Bioengineering, University College London, Gower Street, London WCIE 6BT, United Kingdom
    J Acoust Soc Am 117:3616-27. 2005
    ..The models were verified by comparison with a known analytic solution and a slower, but well-understood, numerical model...
  14. doi request reprint Characterisation of a phantom for multiwavelength quantitative photoacoustic imaging
    M Fonseca
    Department of Medical Physics and Biomedical Engineering, University College London, Gower Street, London WC1E 6BT, UK
    Phys Med Biol 61:4950-73. 2016
    ..01  ±  0.05, larger than typically found in tissue, though useful for increased PA signal. Single and multiwavelength 3D PA imaging of various fabricated PVCP phantoms were demonstrated. ..
  15. doi request reprint Modeling power law absorption and dispersion in viscoelastic solids using a split-field and the fractional Laplacian
    Bradley E Treeby
    Department of Medical Physics and Biomedical Engineering, University College London, Gower Street, London WC1E 6BT, United Kingdom
    J Acoust Soc Am 136:1499-510. 2014
    ..The accuracy and utility of the model is then demonstrated through several numerical experiments, including the transmission of focused ultrasound waves through the skull. ..