Array Sensitivity for Model-Based Microwave Breast Imaging
Array Sensitivity for Model-Based Microwave Breast Imaging
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基于模型的微波乳腺成像的阵列灵敏度
DOI：
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发表时间：
2017
影响因子：
5.7
通讯作者：
S. Hagness
中科院分区：
文献类型：
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作者：
R. Mays;N. Behdad;S. Hagness
基于模型的逆散射微波成像的成功与否取决于成像域周围环境模型的质量。环境特性的不确定性可能足够大，从而产生一定程度的基于模型的噪声，它与携带有关对象感兴趣特征的信息的信号竞争。本文研究了环境材料性质的不确定性对微波乳腺成像问题的影响。具体地说，我们分析了对建模环境中误差的敏感度，相对于固定封闭阵列设计中感兴趣的乳房组织特征的敏感度。我们还评估了改变阵列配置(减小天线与乳房的间距和增加乳房压缩)对这些敏感性的影响。结果说明了与阵列环境中材料特性的不确定性相关联的模型噪声与与乳房中感兴趣的特征相关联的信号相比较的几个区域。这些结果强调了在评估微波逆散射的重建算法和阵列设计时考虑材料特性不确定性的重要性。
The success of microwave imaging via model-based inverse scattering is dependent on the quality of the model of the environment surrounding the imaging domain. Uncertainties in the properties of the environment may be significant enough to create a level of model-based noise that competes with the signals that carry information about the object’s features of interest. In this paper, we investigate the impact of environmental material properties uncertainty on the problem of microwave breast imaging. Specifically, we analyze sensitivity to errors in the modeled environment, relative to sensitivity to breast tissue features of interest for a fixed enclosed array design. We also evaluate the impact of changing the array configuration (decreasing antenna-to-breast spacing and increasing breast compression) on these sensitivities. The results illustrate several regimes in which the model noise associated with uncertainty in the material properties in the array environment is comparable to the signals associated with the features of interest in the breast. These results highlight the importance of considering the effects of material properties uncertainty when evaluating reconstruction algorithms and array designs for microwave inverse scattering.
影响因子：
3.8
作者：
Shea, Jacob D.;Kosmas, Panagiotis;Van Veen, Barry D.
通讯作者：
Van Veen, Barry D.
使用先前的解剖信息对乳房进行 3D 微波断层扫描。
影响因子：
3.8
作者：
Golnabi,AmirH;Meaney,PaulM;Paulsen,KeithD
通讯作者：
Paulsen,KeithD