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Related Experiment Video

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Clinical Imaging of Microwave Mammography

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Published on: November 14, 2025

Microwave Imaging under Oblique Illumination.

Qingyang Meng¹, Kuiwen Xu², Fazhong Shen³

¹Laboratory of Applied Research on Electromagnetics (ARE), Zhejiang University, Hangzhou 310027, China. mengqingyang@zju.edu.cn.

Sensors (Basel, Switzerland)

|July 12, 2016

Summary

Subspace-based optimization method (SOM) effectively images 2D objects using microwave imaging. Neglecting cross-polarization scattering in oblique incidence setups does not significantly impact information loss for 2D targets.

Keywords:

SOM inverse scattering problem microwave imaging oblique incidence

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Area of Science:

Electromagnetics and Applied Physics
Microwave Engineering
Computational Imaging

Background:

Microwave imaging, utilizing inverse scattering, faces challenges like ill-posed algorithms and complex setups hindering practical use.
Subspace-based optimization method (SOM) is explored as a potential solution for these microwave imaging challenges.

Purpose of the Study:

To experimentally evaluate the performance of the subspace-based optimization method (SOM) for two-dimensional (2D) objects.
To assess the impact of neglecting cross-polarization scattering in oblique incidence microwave imaging setups for 2D objects.

Main Methods:

Experimental investigation of the subspace-based optimization method (SOM).
Application of SOM to a microwave imaging setup designed for oblique incidence.
Analysis of analytical, simulation, and experimental data for 2D objects.

Main Results:

The subspace-based optimization method (SOM) demonstrates effective performance for 2D objects in the studied setup.
Neglecting cross-polarization scattering in this configuration does not lead to a significant loss of imaging information for 2D objects.
The method shows potential for practical imaging applications.

Conclusions:

The subspace-based optimization method (SOM) is a viable approach for microwave imaging of 2D objects, even with oblique incidence.
Cross-polarization scattering can be disregarded without substantial information loss in specific 2D microwave imaging scenarios.
This technique holds promise for real-world imaging of 2D-like objects, such as human limbs.