Martin Schweiger

Summary

Affiliation: University College London
Country: UK

Publications

  1. pmc GPU-Accelerated Finite Element Method for Modelling Light Transport in Diffuse Optical Tomography
    Martin Schweiger
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Int J Biomed Imaging 2011:403892. 2011
  2. ncbi request reprint Reconstructing absorption and diffusion shape profiles in optical tomography by a level set technique
    M Schweiger
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Lett 31:471-3. 2006
  3. ncbi request reprint Image reconstruction in optical tomography in the presence of coupling errors
    Martin Schweiger
    Centre for Medical Image Computing, University College London, London, UK
    Appl Opt 46:2743-56. 2007
  4. doi request reprint 3D level set reconstruction of model and experimental data in Diffuse Optical Tomography
    M Schweiger
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Express 18:150-64. 2010
  5. ncbi request reprint Phenomenological model of diffuse global and regional atrophy using finite-element methods
    Oscar Camara
    Centre for Medical Image Computing CMIC, Department of Medical Physics and Bioengineering, Department of Computer Science, University College London, London WCEI 6BT, UK
    IEEE Trans Med Imaging 25:1417-30. 2006
  6. ncbi request reprint Gauss-Newton method for image reconstruction in diffuse optical tomography
    Martin Schweiger
    Department of Computer Science, University College London, Gower Street London WC1E 6BT, UK
    Phys Med Biol 50:2365-86. 2005
  7. ncbi request reprint An inverse problem approach to the estimation of volume change
    Martin Schweiger
    Department of Computer Science, University College London
    Med Image Comput Comput Assist Interv 8:616-23. 2005
  8. ncbi request reprint Local diffusion regularization method for optical tomography reconstruction by using robust statistics
    Abdel Douiri
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Lett 30:2439-41. 2005
  9. ncbi request reprint Selection of regularization parameter for optical topography
    Teresa Correia
    University College London, Department of Medical Physics and Bioengineering, Gower Street, London WC1E 6BT, United Kingdom
    J Biomed Opt 14:034044. 2009
  10. ncbi request reprint Information theoretic regularization in diffuse optical tomography
    Christos Panagiotou
    Department of Medical Physics and Bioengineering, University College London, Malet Place Engineering Building, Gower Street, London WC1E 6BT, UK
    J Opt Soc Am A Opt Image Sci Vis 26:1277-90. 2009

Detail Information

Publications28

  1. pmc GPU-Accelerated Finite Element Method for Modelling Light Transport in Diffuse Optical Tomography
    Martin Schweiger
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Int J Biomed Imaging 2011:403892. 2011
    ..The gains are also shown to be dependent on the mesh complexity, where the largest gains are achieved for high mesh resolutions...
  2. ncbi request reprint Reconstructing absorption and diffusion shape profiles in optical tomography by a level set technique
    M Schweiger
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Lett 31:471-3. 2006
    ....
  3. ncbi request reprint Image reconstruction in optical tomography in the presence of coupling errors
    Martin Schweiger
    Centre for Medical Image Computing, University College London, London, UK
    Appl Opt 46:2743-56. 2007
    ..Reconstructions from simulated and experimental phantom data are presented, which show that including the coupling coefficients in the reconstruction greatly improves the recovery of absorption and scattering images...
  4. doi request reprint 3D level set reconstruction of model and experimental data in Diffuse Optical Tomography
    M Schweiger
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Express 18:150-64. 2010
    ....
  5. ncbi request reprint Phenomenological model of diffuse global and regional atrophy using finite-element methods
    Oscar Camara
    Centre for Medical Image Computing CMIC, Department of Medical Physics and Bioengineering, Department of Computer Science, University College London, London WCEI 6BT, UK
    IEEE Trans Med Imaging 25:1417-30. 2006
    ..Results confirm the potential of the proposed methodology...
  6. ncbi request reprint Gauss-Newton method for image reconstruction in diffuse optical tomography
    Martin Schweiger
    Department of Computer Science, University College London, Gower Street London WC1E 6BT, UK
    Phys Med Biol 50:2365-86. 2005
    ..We present simultaneous reconstructions of absorption and scattering distributions using this method for a simulated test case and experimental phantom data...
  7. ncbi request reprint An inverse problem approach to the estimation of volume change
    Martin Schweiger
    Department of Computer Science, University College London
    Med Image Comput Comput Assist Interv 8:616-23. 2005
    ..The proposed method has been tested with simulated and clinical data. Results suggest that the presented technique can be seen as an alternative for volume change estimation...
  8. ncbi request reprint Local diffusion regularization method for optical tomography reconstruction by using robust statistics
    Abdel Douiri
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Lett 30:2439-41. 2005
    ..We compare results on simulated data for the Hubert function and two other standard regularization functionals, Tikhonov and total variation...
  9. ncbi request reprint Selection of regularization parameter for optical topography
    Teresa Correia
    University College London, Department of Medical Physics and Bioengineering, Gower Street, London WC1E 6BT, United Kingdom
    J Biomed Opt 14:034044. 2009
    ..We test them on two trial problems, deblurring and optical topography, and conclude that the L-curve method is the method of choice, though in particularly ill-posed problems, generalized cross-validation may provide an alternative...
  10. ncbi request reprint Information theoretic regularization in diffuse optical tomography
    Christos Panagiotou
    Department of Medical Physics and Bioengineering, University College London, Malet Place Engineering Building, Gower Street, London WC1E 6BT, UK
    J Opt Soc Am A Opt Image Sci Vis 26:1277-90. 2009
    ..We demonstrate its use on an image reconstruction framework and show significant computational savings...
  11. ncbi request reprint Simulation of local and global atrophy in Alzheimer's disease studies
    Oscar Camara-Rey
    Center of Medical Image Computing, Unviersity College of London, UK
    Med Image Comput Comput Assist Interv 9:937-45. 2006
    ..An example of simulated data is shown and a visual evaluation protocol used by experts has been developed to assess the degree of realism of the simulated images. First results demonstrate the potential of the proposed methodology...
  12. ncbi request reprint Linear and nonlinear reconstruction for optical tomography of phantoms with nonscattering regions
    Adam P Gibson
    Department of Medical Physics and Bioengineering, University College London, London WC1E 6JA, United Kingdom
    Appl Opt 44:3925-36. 2005
    ..This study supports the use of linear reconstruction for dynamic imaging but suggests that, in all cases, image quality is likely to improve if the clear regions are modeled correctly...
  13. doi request reprint 3D shape based reconstruction of experimental data in Diffuse Optical Tomography
    Athanasios D Zacharopoulos
    University College London Department of Computer Science, Gower St, WC1E 6BT London, UK
    Opt Express 17:18940-56. 2009
    ....
  14. ncbi request reprint Optical tomography of a realistic neonatal head phantom
    Adam Gibson
    Department of Medical Physics and Bioengineering, University College London, 11 20 Capper Street, London WC1E 6JA
    Appl Opt 42:3109-16. 2003
    ..The head-shaped mesh performed slightly better than the spherical mesh, particularly when the absorption of the central region of the phantom was increased...
  15. ncbi request reprint The finite-element method for the propagation of light in scattering media: frequency domain case
    M Schweiger
    Department of Medical Physics and Bioengineering, University College London, England
    Med Phys 24:895-902. 1997
    ..The model is validated against an analytic Green's function model for a circular geometry in the homogeneous case, and its accuracy is investigated for a range of mesh resolutions, optical parameters, and modulation frequencies...
  16. pmc Image reconstruction in optical tomography
    S R Arridge
    Department of Computer Science, University College London, UK
    Philos Trans R Soc Lond B Biol Sci 352:717-26. 1997
    ..Nevertheless we strongly expect the functional nature of these images to have a high degree of clinical significance...
  17. ncbi request reprint Three-dimensional whole-head optical tomography of passive motor evoked responses in the neonate
    A P Gibson
    Department of Medical Physics and Bioengineering, University College London, Malet Place Engineering Building, London WC1E 6BT, UK
    Neuroimage 30:521-8. 2006
    ..8 mm. These results suggest that optical tomography may provide an appropriate technique for non-invasive cot-side imaging of brain function...
  18. ncbi request reprint Three-dimensional time-resolved optical mammography of the uncompressed breast
    Louise C Enfield
    Department of Medical Physics and Bioengineering, University College London, London, WC1E 6BT, UK
    Appl Opt 46:3628-38. 2007
    ..Only half of the fibroadenomas scanned could be observed, but of those that could be detected, all but one revealed an apparent increase in blood volume and a decrease in scatter and oxygen saturation...
  19. ncbi request reprint A method for generating patient-specific finite element meshes for head modelling
    A P Gibson
    Department of Medical Physics and Bioengineering, University College London, UK
    Phys Med Biol 48:481-95. 2003
    ..However, data generated from a mesh of the best fit sphere were significantly different from data generated from the original neonatal head surface...
  20. doi request reprint Quantitative fluorescence diffuse optical tomography in the presence of heterogeneities
    Teresa Correia
    Department of Computer Science, University College London, Gower Street, London WC1E 6BT, UK
    Opt Lett 38:1903-5. 2013
    ..We propose a method that reconstructs a single parameter from the excitation measurements, which is used in the fDOT problem to accurately recover fluorescence distribution...
  21. ncbi request reprint Time resolved optical tomography of the human forearm
    E M Hillman
    Department of Medical Physics and Bioengineering, University College London, UK
    Phys Med Biol 46:1117-30. 2001
    ....
  22. doi request reprint Intradermal pre-exposure rabies vaccine elicits long lasting immunity
    David Brown
    Virus Reference Department, Centre for Infections, HPA, London, UK
    Vaccine 26:3909-12. 2008
    ..Using a schedule that administers 0.6 ml of rabies vaccine over three clinic visits the boosting interval could be extended towards ten years; substantially cheaper than the standard licensed intramuscular dosing schedule...
  23. ncbi request reprint Computational calibration method for optical tomography
    Tanja Tarvainen
    Department of Applied Physics, University of Kuopio, P O Box 1627, FIN 70211 Kuopio, Finland
    Appl Opt 44:1879-88. 2005
    ..The results show that the coupling coefficients of the sources and detectors can be estimated with good accuracy. Furthermore, the results show that the method can significantly improve the quality of reconstructed images...
  24. ncbi request reprint Uniqueness and wavelength optimization in continuous-wave multispectral diffuse optical tomography
    Alper Corlu
    Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Opt Lett 28:2339-41. 2003
    ..Application of these concepts should significantly improve the fidelity of continuous-wave diffuse near-infrared optical tomography in tissues...
  25. ncbi request reprint Diffuse optical tomography with spectral constraints and wavelength optimization
    Alper Corlu
    Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Appl Opt 44:2082-93. 2005
    ..Here the technique is described and tested in detail, and optimum wavelength sets for a broad range of chromophore combinations are discovered and analyzed...
  26. ncbi request reprint Comparison between a time-domain and a frequency-domain system for optical tomography
    Ilkka Nissila
    Helsinki University of Technology, Laboratory of Biomedical Engineering, 02015 HUT, Finland
    J Biomed Opt 11:064015. 2006
    ..The image quality of the reconstructions from the data measured with the two systems were compared with several quantitative criteria. In general a higher contrast was observed in the images calculated from the HUT data...
  27. ncbi request reprint Diffuse photon propagation in multilayered geometries
    Jan Sikora
    Institute of the Theory of Electrical Engineering, Measurement and Information Systems, Warsaw University of Technology, Koszykowa 75, 00 661 Warsaw, Poland
    Phys Med Biol 51:497-516. 2006
    ..Results are presented comparing these solutions to an independent Monte Carlo model, and for an example three layered head model...
  28. pmc Information content of data types in time-domain optical tomography
    Angel R Pineda
    University of Arizona, Tucson, Arizona 85724, USA
    J Opt Soc Am A Opt Image Sci Vis 23:2989-96. 2006
    ..A methodology for quantifying information content prior to reconstruction without assumptions of linearity is established, and the importance of signal and background characterization is highlighted...