Multi-polarized microwave power imaging algorithm for early breast cancer detection

W. Shao, R. S. Adams

Research output: Contribution to journalArticlepeer-review

Abstract

A new image reconstruction algorithm for early breast cancer detection using ultra-wideband microwave signals is proposed. In this algorithm, the backscattered electric and magnetic fields are measured and combined in a novel way; the direction of power flow with respect to a given focal point is used to localize tumors. Significant improvement in signal-to-mean raito (SMR) and signalto-clutter ratio (SCR) are achieved when driving signals consist of waves with multiple polarizations. Numerical results demonstrate nearly 5.5 dB improvement of SMR and SCR over the traditional Confocal Microwave Imaging method when a single 8 mm breast tumor is present.

Original languageEnglish (US)
Pages (from-to)93-107
Number of pages15
JournalProgress In Electromagnetics Research M
Volume23
DOIs
StatePublished - Jan 20 2012
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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