A double constrained robust capon beamforming based imaging method for early breast cancer detection

doi:10.1088/1674-1056/22/9/094101

Abstract Ultra-wideband (UWB) microwave images are proposed for detecting small malignant breast tumors based on the large contrast of electric parameters between a malignant tumor and normal breast tissue. In this study, an antenna array composed of 9 antennas is applied to the detection. The double constrained robust capon beamforming (DCRCB) algorithm is used for reconstructing the breast image due to its better stability and high signal-to-interference-plus-noise ratio (SINR). The successful detection of a tumor of 2 mm in diameter shown in the reconstruction demonstrates the robustness of the DCRCB beamforming algorithm. This study verifies the feasibility of detecting small breast tumors by using the DCRCB imaging algorithm.

Keywords: ultra wideband early breast cancer detection double constrained robust capon beamforming algorithm antenna array

Received: 06 January 2013
Revised: 01 February 2013
Accepted manuscript online:

PACS:	41.20.-q	(Applied classical electromagnetism)
	41.20.Jb	(Electromagnetic wave propagation; radiowave propagation)
	41.20.Gz	(Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems)
	02.70.Bf	(Finite-difference methods)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61271323) and the Open Project from State Key Laboratory of Millimeter Waves, China (Grant No. K200913).

Corresponding Authors: Xiao Xia
E-mail: xiaxiao@tju.edu.cn

Cite this article:

Xiao Xia (肖夏), Xu Li (徐立), Li Qin-Wei (李钦伟) A double constrained robust capon beamforming based imaging method for early breast cancer detection 2013 Chin. Phys. B 22 094101

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A double constrained robust capon beamforming based imaging method for early breast cancer detection

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