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中文摘要：
目的：研究电阻抗断层成像的图像处理方法,改善图像显示效果.方法：先利用相邻三角形单元的电导率估计节点的电导率,然后根据三角形单元3个顶点的电导率进行二维线性插值获得单元内任意点的电导率.结果：原始的按三角形单元分块显示的电阻抗断层成像的图像,可转换为光滑的图像.结论：图像显示效果得到很大的改善;此方法适用于所有三角形剖分的电阻抗断层成像的图像处理.
英文摘要：
Objective To study the image processing methods of electrical impedance tomography （EIT） in order to improve the display quality. Methods Evaluate the conductivity of the nodes using the conductivity of the adjacent triangle elements. The conductivity of any point in one triangle element was calculated according to the conductivity of 3 vertexes of the element by 2D linear interpolation method. Results The original blocky images of electrical impedance tomography by the triangle elements can be transformed into smoothing images. Conclusion The visual quality of the images is improved greatly. The image processing method is adaptive to all kinds of images of electrical impedance tomography based on triangle element.
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Preliminary Simulations on Magnetic Induction Tomography of the Brain Based on Finite Element Method
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