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A double constrained robust capon beamforming based imaging method for early breast cancer detection |
Xiao Xia (肖夏), Xu Li (徐立), Li Qin-Wei (李钦伟) |
School of Electronic Information Engineering, Tianjin University, Tianjin 300072, China |
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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.
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Received: 06 January 2013
Revised: 01 February 2013
Accepted manuscript online:
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PACS:
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41.20.-q
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(Applied classical electromagnetism)
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41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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41.20.Gz
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(Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems)
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02.70.Bf
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(Finite-difference methods)
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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
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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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