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The edge element method in the forward problem of magnetic inductiontomography with homogeneous sinusoidal magnetic excitation |
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| Authors: | HE Wei SONG Xiaodong ZHANG Xiaoyong FAN Zhaoyong LUO Haijun and XU Zheng |
| Institution: | State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University,Chongqing 400044, China;State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University,Chongqing 400044, China;Chongqing Electric Power Research Institute, Chongqing 400012, China;Chongqing Electric Power Company, Chongqing 400015, China;State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University,Chongqing 400044, China;State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University,Chongqing 400044, China |
| Abstract: | The edge finite element method and the imaging visualization have been studied in the forward problem of magnetic induction tomography MIT with homogeneous sinusoidal magnetic excitation. The definite equations of the forward problem were established using the electric field intensity as the vector variable. The edge FE method for solving the definite equations was introduced in detail and realized as the MATLAB program. In order to realize the visualization of MIT in imaging the intracranial hemorrhage, a real human brain finite element model was created with the human head MRI data. On the basis of this model, we realized the 3D visualization of MIT imaging in MATLAB. The research results demonstrated the validity of the definite equations and the edge FE method in calculating the forward problem. And the 3D visualization of MIT imaging with real human brain model established a foundation for the application study of MIT in imaging intracranial hemorrhage. |
| Keywords: | electric impedance tomography magnetic induction forward problem finite element visualization |
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