A Compressive Sensing Approach for 3D Breast Cancer Microwave Imaging With Magnetic Nanoparticles as Contrast Agent

被引:56
作者
Bevacqua, Martina T. [2 ]
Scapaticci, Rosa [1 ]
机构
[1] CNR IREA, Natl Res Council Italy, Inst Electromagnet Sensing Environm, I-80124 Naples, Italy
[2] Mediterranea Univ Reggio Calabria, Dept Informat Infrastruct & Sustainable Energy En, UNIRC DIIES, I-89124 Reggio Di Calabria, Italy
关键词
Compressed measurements; compressive sensing; magnetic nanoparticles; microwave breast cancer imaging; super-resolution; DIELECTRIC-PROPERTIES; SCATTERING;
D O I
10.1109/TMI.2015.2490340
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In microwave breast cancer imaging magnetic nanoparticles have been recently proposed as contrast agent. Due to the non-magnetic nature of human tissues, magnetic nanoparticles make possible the overcoming of some limitations of conventional microwave imaging techniques, thus providing reliable and specific diagnosis of breast cancer. In this paper, a Compressive Sensing inspired inversion technique is introduced for the reconstruction of the magnetic contrast induced within the tumor. The applicability of Compressive Sensing theory is guaranteed by the fact that the underlying inverse scattering problem is linear and the searched magnetic perturbation is sparse. From the numerical analysis, performed in realistic conditions in 3D geometry, it has been pointed out that the adoption of this new tool allows improving resolution and accuracy of the reconstructions, as well as reducing the number of required measurements.
引用
收藏
页码:665 / 673
页数:9
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