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An electromagnetic imaging approach using a multi-illumination technique

S Caorsi1, G L Gragnani, M Pastorino

  • 1Department of Biophysical and Electronic Engineering, University of Genoa, Italy.

IEEE Transactions on Bio-Medical Engineering
|April 1, 1994
PubMed
Summary
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This study introduces a novel multi-illumination microwave imaging technique. It enhances the Born approximation for better scatterer analysis using prior information.

Area of Science:

  • Electromagnetics
  • Microwave Imaging
  • Numerical Methods

Background:

  • Microwave imaging offers non-invasive sensing capabilities.
  • The Born approximation is a common but limited model for scattering problems.
  • Limited application range of the Born approximation restricts imaging capabilities.

Purpose of the Study:

  • To propose and evaluate a multi-illumination technique for microwave imaging.
  • To extend the applicability of the Born approximation in scattering scenarios.
  • To leverage a-priori information for improved imaging accuracy.

Main Methods:

  • A multi-illumination-angle multiview approach was developed.
  • The moment method was employed for numerical solutions.
  • A-priori information about scatterers was utilized to refine the approximation.

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Main Results:

  • Preliminary results demonstrate the feasibility of the proposed approach.
  • The technique shows potential for enhancing the Born approximation's utility.
  • Validation of the multi-illumination strategy in numerical simulations.

Conclusions:

  • The multi-illumination technique shows promise for advancing microwave imaging.
  • Utilizing a-priori information is effective in extending the Born approximation.
  • Further research is warranted to fully explore the method's capabilities.