DocumentCode
444834
Title
Cooled flatness regularization for two dimensional electromagnetic tomography
Author
Lam, Kim ; Yedlin, Matt
Author_Institution
Dept. of Electr. & Comput. Eng., British Columbia Univ., Vancouver, BC, Canada
Volume
2A
fYear
2005
fDate
3-8 July 2005
Firstpage
139
Abstract
In this paper we explore the results of introducing a cooled flatness regularization term into a multifrequency gradient descent algorithm used in electromagnetic tomography. The regularization allows for the recovery of the permittivity of a cylinder with a high dielectric contrast. The choice of regularization also simplifies the problem of picking a starting model which is problematic in other algorithms.
Keywords
electromagnetic wave scattering; gradient methods; permittivity; tomography; cooled flatness regularization; cylinder permittivity; dielectric contrast; multifrequency gradient descent algorithm; two dimensional electromagnetic tomography; Dielectrics; Electromagnetic scattering; Frequency; Iterative algorithms; Jacobian matrices; Moment methods; Permittivity; Predictive models; Scattering parameters; Tomography;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN
0-7803-8883-6
Type
conf
DOI
10.1109/APS.2005.1551756
Filename
1551756
Link To Document