Inverse methods for Optical Tomography

  • S. R. Arridge
  • M. Schweiger
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 687)


We describe the main theoretical principles behind Time-resolved Optical Absorption and Scattering Tomography (TOAST). The problem is viewed as the optimisation of an error-norm derived from correlated statistics of the time-dependent photon intensity at the surface of an object. The field is compared with Electrical Impedance Tomography (EIT). Some inverse algorithms are suggested and one implemented in detail: a modified Newton-Raphson approach. Several regularisation schemes are described. Results are given for these schemes applied to several different data sets.


Electrical Impedance Tomography Miller Criterion Forward Problem Forward Operator Photon Transport 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • S. R. Arridge
    • 1
  • M. Schweiger
    • 2
  1. 1.Dept. of Computer ScienceUniversity College LondonLondon
  2. 2.Dept. of Medical Physics and BioEngineeringUniversity College LondonLondonEngland

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