Fast Electromagnetic Tomography Image Reconstruction Algorithm Based on Dimension Reduction Technique

Jiwei Huo; Ze Liu; Yadong Wang; Wei Yuan; Chengfei Wang

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Fast Electromagnetic Tomography Image Reconstruction Algorithm Based on Dimension Reduction Technique

机译：基于尺寸减小技术的快速电磁断层扫描图像重建算法

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摘要

Electromagnetic tomography systems that used in many industrial fields require high speed of image reconstruction. In this paper, a fast image reconstruction algorithm of electromagnetic tomography is proposed. For this method, firstly, the dimension of the sensitivity matrix is decreased through retention of principal component. Then, the distribution image is reconstructed by using traditional or improved reconstruction algorithm. This method can eliminate the redundant information of sensitivity matrix with little loss of feature information of sensitivity matrix. The simulation and experiment results show that compare with traditional image reconstruction algorithm (including iterative algorithm and single step algorithm), the proposed algorithm has significant advantage of imaging speed. The quality of reconstructed image that using traditional algorithm and reconstructed image that using proposed algorithm are almost same.

机译：许多工业领域使用的电磁断层摄影系统需要高速的图像重建。本文提出了一种快速图像重建算法的电磁断层扫描。对于该方法，首先，通过保留主成分来降低灵敏度矩阵的尺寸。然后，通过使用传统或改进的重建算法来重建分发图像。该方法可以消除灵敏度矩阵的冗余信息，具有灵敏度矩阵的特征信息的损失很小。仿真和实验结果表明，与传统的图像重建算法（包括迭代算法和单步算法）进行比较，该算法具有显着的成像速度的优势。使用传统算法和使用所提出的算法的重建图像的重建图像的质量几乎是相同的。

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来源
《Sensing and imaging》 |2020年第1期|52.1-52.20|共20页
作者
Jiwei Huo; Ze Liu; Yadong Wang; Wei Yuan; Chengfei Wang;
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作者单位

School of Electronic Information Engineering Beijing Jiaotong University Beijing China;

School of Electronic Information Engineering Beijing Jiaotong University Beijing China;

School of Electronic Information Engineering Beijing Jiaotong University Beijing China;

School of Electronic Information Engineering Beijing Jiaotong University Beijing China;

School of Electronic Information Engineering Beijing Jiaotong University Beijing China;

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正文语种 eng
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关键词
EMT; Image reconstruction; Demension reduction; High-speed;

机译：EMT;影像重建;减少贬低;高速;

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机译：扩散光学层析成像中基于降维的稀疏3-D图像重建优化算法
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6. Dimensionality Reduction Based Optimization Algorithm for Sparse 3-D Image Reconstruction in Diffuse Optical Tomography [O] . Tanmoy Bhowmik, Hanli Liu, Zhou Ye, -1

机译：扩散光学层析成像中基于降维的稀疏3-D图像重建优化算法
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机译：层析成像中的动态成像和快速重建算法

Fast Electromagnetic Tomography Image Reconstruction Algorithm Based on Dimension Reduction Technique

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