A three dimensional microwave tomography employing an adjoint network theorem based sensitivity matrix

Dimitrios G. Drogoudis, George A. Kyriacou, John N. Sahalos

Research output: Contribution to journalArticle

1 Citation (Scopus)


A reconstruction algorithm for three dimensional microwave imaging based on the modified perturbation method is proposed. Both the object conductivity $(\sigma)$ and permittivity r are reconstructed. The original Perturbation method developed for static problems was modified in order to apply in time harmonic problem at microwave frequencies. The Jacobian matrix is calculated in closed form employing an adjoint network theorem in conjunction with the electromagnetics reciprocity theorem. A number of successful reconstructions were carried out for different complex permittivity profiles, but all of them based on a computer phantom approach.

Original languageEnglish
Article number4787313
Pages (from-to)1686-1689
Number of pages4
JournalIEEE Transactions on Magnetics
Issue number3
Publication statusPublished - Mar 2009


  • Adjoint network
  • Microwave tomography
  • Modified perturbation method (MPM)
  • Sensitivity matrix

Cite this