A New Measurement Method of Eddy Current for Biological Tissue in Magnetic Induction Tomography

Lv Yi; Wang Xu; Yang Dan; Jin Jing-Jing

doi:10.3724/SP.J.1146.2010.01422

Volume 33 Issue 9

Sep. 2011

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Article Navigation > Journal of Electronics & Information Technology > 2011 > 33(9): 2258-2262

Han Minghua, Yuan Naichang. A IMPROVED TRACKING KALMAN FILTER USING MULTILAYER NEURAL NETWORK[J]. Journal of Electronics & Information Technology, 1998, 20(6): 739-744.

Citation:

Lv Yi , Wang Xu, Yang Dan, Jin Jing-Jing. A New Measurement Method of Eddy Current for Biological Tissue in Magnetic Induction Tomography[J]. Journal of Electronics & Information Technology, 2011, 33(9): 2258-2262. doi: 10.3724/SP.J.1146.2010.01422

Han Minghua, Yuan Naichang. A IMPROVED TRACKING KALMAN FILTER USING MULTILAYER NEURAL NETWORK[J]. Journal of Electronics & Information Technology, 1998, 20(6): 739-744.

Citation:

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A New Measurement Method of Eddy Current for Biological Tissue in Magnetic Induction Tomography

doi: 10.3724/SP.J.1146.2010.01422

Lv Yi ^{*①② 王旭
,},
Wang Xu¹,
Yang Dan¹,
Jin Jing-Jing¹

^①Institute of Information Science and Engineering, Northeastern University, Shenyang 110819, China ^②Institute of Information Technology, Eastern Liaoning University, Dandong 118003, China>

Received Date: 2010-12-27
Rev Recd Date: 2011-05-27
Publish Date: 2011-09-19

Abstract

Abstract

Magnetic Induction Tomography (MIT) is a new technique for conductivity of biological tissue to reconstruct image. Weak eddy current signal within biological tissue restricts the precision of detection device and resolution of reconstruction image. A method of reducing the primary magnetic field as much as possible is presented based on the characteristics of eddy current signal. Sensor coils are improved to cancel the primary field signal, thus increasing the eddy current field. Simulation experiments are carried out for the MIT measurement model presented in the paper to determine the optimal parameters of detection coil to offset the primary field. Signal linearity and sensitivity is tested under this mode. The results prove that the method gets better effect in signal linearity and sensitivity of MIT.
- Magnetic Induction Tomography (MIT),
- Reconstruction image,
- Eddy current,
- Detection coil,
- Sensitivity

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