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Browsing Faculty of Science and Engineering by Author "Gaburro, Romina"

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Browsing Faculty of Science and Engineering by Author "Gaburro, Romina"

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  • Alessandrini, Giovanni; Gaburro, Romina (Society for Industrial and Applied Mathematics, 2001)
    We prove results of uniqueness and stability at the boundary for the inverse problem of electrical impedance tomography in the presence of possibly anisotropic conduct.ivities. We assume that the unknown conductivity has ...
  • Gaburro, Romina; Lionheart, William R. B. (2010)
    The problem in Optical Tomography of determining the spacially dependent absorption coefficient in an anisotropic medium with a-priori known strong scattering is considered. The problem is modelled by the diffusion ...
  • Nolan, Clifford J.; Cheney, Margaret; Dowling, Thomas; Gaburro, Romina (Institute of Physics Publishing, 2006)
    Multiply scattered waves are often neglected in imaging methods; largely because of the inability of popular algorithms to deal with the associated nonlinear models. This paper shows that by incorporating a known environment ...
  • Gaburro, Romina; Nolan, Clifford J. (American Institute of Mathematical Sciences, 2008)
    Many imaging methods involve probing a material with a wave and observing the back-scattered wave. The back-scattered wave measurements are used to compute an image of the internal structure of the material. Many of the ...
  • Cooker, Mark; Cribbin, Laura B.; Dellar, Paul; Fitt, Alistair; Gaburro, Romina; Gibb, Tony; Kennedy, James; King, John; Kubat, Irnis; Lapin, Vladimir Nikolaevich; Lee, William T.; Murphy, Ellen; Nolan, Clifford J.; Parker, Joseph; Power, Oliver; Timoney, Catherine M. (2011)
    Background. The development of haptic touchscreens, that is touchscreens with the ability to mimic the feel of a real keyboard, would be a significant advance in the mobile phone and tablet market. This report investigates one ...
  • Gaburro, Romina; Nolan, Clifford J.; Dowling, Thomas; Cheney, Margaret (Society of Photo-Optical Instrumentation Engineers, 2007)
    We consider the problem of imaging in a region where ultrasonic waves are multiply scattered. A transducer emits ultrasonic pulses in tissue where they scatter from a heterogeneity (e.g. a tumor) in the region of ...
  • Alessandrini, Giovanni; Gaburro, Romina (Taylor & Francis, 2009)
  • Felea, Raluca; Gaburro, Romina; Nolan, Clifford J. (Society for Industrial and Applied Mathematics, 2013)
    In this article we consider four particular cases of Synthetic Aperture Radar imaging with moving objects. In each case, we analyze the forward operator F and the normal operator F∗F, which appear in the mathematical ...
  • Gaburro, Romina; Nolan, Clifford J. (Institute of Physics, 2008)
    We consider the problem of imaging a target located nearby a perfectly reflective vertical wall by making use of a SAR system in the case where a single pass is made over the scene of which we expect to be able to ...
  • Gaburro, Romina; Lionheart, William R. B. (Institute of Physics Publishing, 2009)
    We discuss the inverse problem of determining the anisotropic conductivity of a body described by a compact, orientable, Riemannian manifold M with boundary @M, when measurements of electric voltages and currents are ...
  • Bandeira, Afonso; Bell, Christopher G.; Charpin, Jean P. F.; Gaburro, Romina; Soussi, Sofiane; Wilson, Eddie R. (2009)
    The design of solar panels is investigated. Different aspects of this problem are presented. A formula averaging the solar energy received on a given location is derived first. The energy received by the collecting solar ...

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