• DocumentCode
    1296707
  • Title

    Truncated-Newton algorithm for three-dimensional electrical impedance tomography

  • Author

    Player, M.A. ; Van Weereld, J. ; Allen, A.R. ; Collie, D.A.L.

  • Author_Institution
    Dept. of Eng., Aberdeen Univ., UK
  • Volume
    35
  • Issue
    25
  • fYear
    1999
  • fDate
    12/9/1999 12:00:00 AM
  • Firstpage
    2189
  • Lastpage
    2191
  • Abstract
    A truncated-Newton algorithm for three-dimensional electrical impedance tomography is presented. Explicit formation of the Hessian, normally a computational bottleneck, is avoided through use of a preconditioned conjugate gradient (PCG) solution of the Levenberg-Marquardt update. The PCG preconditioner is formed as a product of a sparse approximation of the Jacobian by its transpose
  • Keywords
    Newton method; conjugate gradient methods; electric impedance imaging; image reconstruction; Levenberg-Marquardt update; PCG preconditioner; computational bottleneck; preconditioned conjugate gradient solution; sparse approximation; three-dimensional electrical impedance tomography; truncated-Newton algorithm;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19991466
  • Filename
    820291
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1296707