A Three-Dimensional Bioimpedance Imaging Algorithm by Means of Magnetoacoustic Tomography with Magnetic Induction

ZHOU Lian; ZHU Shan-an; HE Bin

doi:10.3969/j.issn.0372-2112.2013.02.013

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A Three-Dimensional Bioimpedance Imaging Algorithm by Means of Magnetoacoustic Tomography with Magnetic Induction

更新时间：2025-07-16

- A Three-Dimensional Bioimpedance Imaging Algorithm by Means of Magnetoacoustic Tomography with Magnetic Induction
- Acta Electronica Sinica Vol. 41, Issue 2, Pages: 288-294(2013)
- 作者机构：
  
  1. 浙江大学电气工程学院,浙江,杭州,310007
  2. 明尼苏达大学生物工程学院,明尼苏达州明尼阿波利斯,55455
  3. 浙江大学电气工程学院浙江杭州,310007
  4. 明尼苏达大学生物工程学院明尼苏达州明尼阿波利斯,55455
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.02.013
  CLC： R445.9
- Published：2013
- 稿件说明：
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ZHOU Lian, ZHU Shan-an, HE Bin. A Three-Dimensional Bioimpedance Imaging Algorithm by Means of Magnetoacoustic Tomography with Magnetic Induction[J]. Acta Electronica Sinica, 2013, 41(2): 288-294.
DOI：

ZHOU Lian, ZHU Shan-an, HE Bin. A Three-Dimensional Bioimpedance Imaging Algorithm by Means of Magnetoacoustic Tomography with Magnetic Induction[J]. Acta Electronica Sinica, 2013, 41(2): 288-294. DOI： 10.3969/j.issn.0372-2112.2013.02.013.

摘要

磁感应磁声成像技术(MAT-MI)作为一种新型无创的电阻抗成像技术

融合了磁感应技术和超声断层扫描技术

提供了高分辨率的成像结果.本研究提出了一种用于MAT-MI计算电导率分布的新型算法

解决电导率重建过程中的奇异值问题

同时又缩短了重建所需时间

并通过计算机仿真构建的三维环状线圈和乳腺模型

验证了算法的稳定性和可靠性.

Abstract

Magnetoacoustic tomography with magnetic induction (MAT-MI) is a recently introduced noninvasive electrical conductivity imaging approach.In the present study

a new algorithm for the conductivity reconstruction has been proposed

and was evaluated by computer simulations in a 3-dimensional breast model.Compared with the existing methods

the new algorithm can reconstruct the internal conductivity distribution without singularity problem and significantly reduces the time for reconstruction computation.

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