Author： Wadbro Eddie
Publisher： Springer Publishing Company
ISSN： 1389-4420
Source： Optimization and Engineering, Vol.11, Iss.4, 2010-12, pp. : 597-610
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Abstract
Microwave tomography is an imaging technique with unique features for medical applications. This article presents a reconstruction procedure using a sequence of problems solved by topology optimization techniques. Each problem in this sequence is constructed using the solution of the previous one in combination with available a priori information about the unknown permittivities. Numerical examples illustrate the reconstruction procedure for the case when the sizes of the objects are of the same order as the wavelength. A good estimate of the permittivities is obtained using a priori information that the unknown permittivities vary within a given box and a bound on how lossy the unknown objects are.
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