This work presents some preliminary results from applying our previously developed microwave imaging algorithm based on two-step iterative shrinkage/thresholding (TwIST) to data measured from an experimental microwave imaging system. Combining the distorted Born iterative method (DBIM) with the TwIST linear solver, our two-dimensional (2-D) algorithm is applied to reconstruct 2-D slices of the complex permittivity of the interrogated imaging domain. Experimental data are obtained by rotating a two-antenna system along the cylindrical imaging domain, which is filled with Triton X-100. The imaging object is an anatomically realistic breast phantom with a tube filled water representing the tumor-like target. Measurements are covered in the frequency range from 0.5 to 4.0 GHz. The paper presents reconstructed images at 900 MHz, while more results will be presented at the conference.
|Title of host publication
|2017 11th European Conference on Antennas and Propagation, EUCAP 2017
|Institute of Electrical and Electronics Engineers Inc.
|Number of pages
|Published - 15 May 2017
|11th European Conference on Antennas and Propagation, EUCAP 2017 - Paris, France
Duration: 19 Mar 2017 → 24 Mar 2017
|11th European Conference on Antennas and Propagation, EUCAP 2017
|19/03/2017 → 24/03/2017
- breast imaging
- inverse scattering
- iterative methods
- Microwave tomography
- TwIST algorithm