Breast Imaging Using Microwave Tomography with Radar-Based Tissue-Regions Estimation

被引：48

作者：

Baran, Anastasia ^{[1
]}

Kurrant, Douglas ^{[2
]}

Zalcaria, Amer ^{[1
]}

Fear, Elise ^{[2
]}

LoVetri, Joe ^{[1
]}

机构：

[1] Univ Manitoba, Dept Elect & Comp Engn, Winnipeg, MB R3T 5V6, Canada

[2] Univ Calgary, Schulich Sch Engn, Dept Elect & Comp Engn, Calgary, AB T2N 1N4, Canada

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2014年 / 149卷

关键词：

WOMEN;

D O I：

10.2528/PIER14080606

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Microwave tomography (MWT) and a radar-based region estimation technique are combined to create a novel algorithm for biomedical imaging with a focus on breast cancer detection and monitoring. The region estimation approach is used to generate a patient-specific spatial map of the breast anatomy that includes skin, adipose and fibroglandular regions, as well as their average dielectric properties. This map is incorporated as a numerical inhomogeneous background into an MWT algorithm based on the finite element contrast source inversion (FEM-CSI) method. The combined approach reconstructs finer structural details of the breast and better estimates the dielectric properties than either technique used separately. Numerical results obtained with the novel combined algorithmic approach, based on synthetically generated breast phantoms, show significant improvement in image quality.

引用

页码：161 / 171

页数：11

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