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A progressive processing method for breast cancer detection via UWB based on an MRI-derived model |
| Xiao Xia (肖夏), Song Hang (宋航), Wang Zong-Jie (王宗杰), Wang Liang (王梁) |
| School of Electronic Information Engineering, Tianjin University, Tianjin 300072, China |
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Abstract Ultra-wideband (UWB) microwave imaging is a promising method for breast cancer detection based on the large contrast of electric parameters between the malignant tumor and its surrounded normal breast organisms. In the case of multiple tumors being present, the conventional imaging approaches may be ineffective to detect all the tumors clearly. In this paper, a progressive processing method is proposed for detecting more than one tumor. The method is divided into three stages: primary detection, refocusing and image optimization. To test the feasibility of the approach, a numerical breast model is developed based on the realistic magnetic resonance image (MRI). Two tumors are assumed embedded in different positions. Successful detection of a 3.6 mm-diameter tumor at a depth of 42 mm is achieved. The correct information of both tumors is shown in the reconstructed image, suggesting that the progressive processing method is promising for multi-tumor detection.
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Received: 02 September 2013
Revised: 22 December 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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87.85.-d
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(Biomedical engineering)
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87.85.Pq
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(Biomedical imaging)
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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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| About author: 41.20.-q; 41.20.JB; 87.85.-d; 87.85.Pq |
Cite this article:
Xiao Xia (肖夏), Song Hang (宋航), Wang Zong-Jie (王宗杰), Wang Liang (王梁) A progressive processing method for breast cancer detection via UWB based on an MRI-derived model 2014 Chin. Phys. B 23 074101
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