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Quantification of 3-D field effects during 2-D microwave imaging
Paul M Meaney1, Keith D Paulsen, Shireen D Geimer
1Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA. paul.m.meaney@dartmouth.edu
IEEE Transactions on Bio-Medical Engineering
|June 27, 2002
Summary
Two-dimensional (2-D) microwave imaging remains useful for certain biomedical applications, despite the rise of 3-D methods. This study assesses 2-D system capabilities for 3-D geometries, finding limitations but also continued utility.
Area of Science:
- Biomedical Engineering
- Medical Imaging
Background:
- Two-dimensional (2-D) microwave imaging is prevalent due to lower data and computational demands.
- Three-dimensional (3-D) microwave imaging offers improved quality but incurs significant costs and requires benchmarking.
Purpose of the Study:
- To systematically assess a 2-D microwave imaging system's capability for imaging classical 3-D geometries.
- To identify limitations and advantages of 2-D approaches in the context of 3-D imaging challenges.
Main Methods:
- Experimental assessment of a 2-D microwave imaging system using phantom measurements.
- Comparison of reconstructions from phantom data and simulated 3-D data.
- Evaluation of 2-D system performance against known 3-D geometries.
Main Results:
- Demonstrated specific scenarios where 2-D imaging methods exhibit limitations due to 3-D effects.
- Identified situations where 2-D approaches provide useful imaging results for 3-D targets.
- Validated experimental findings through comparisons with simulated 3-D data.
Conclusions:
- 2-D microwave imaging approaches remain a viable and attractive option for specific biomedical applications.
- Further research is needed to establish benchmarks for evaluating emerging 3-D microwave imaging systems.