Magnetoacoustic tomography with magnetic induction: A rigorous theory

被引：39
|
作者：
Ma, Qingyu [1 ]
He, Bin [1 ]
机构：
[1] Univ Minnesota, Dept Biomed Engn, Minneapolis, MN 55455 USA
来源：
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 2008年 / 55卷 / 02期
关键词：
electrical impedance imaging; magnetic induction; magnetoacoustic (MA) generation; tomography;
D O I：
10.1109/TBME.2007.912674
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
In this letter, we have proposed a new theory on mechanism of the magnetoacoustic (MA) signal generation with magnetic induction for an object with an arbitrary shape. An object under a static magnetic field emits acoustic signals when excited by a time-varying magnetic field, and the acoustic waveform is mainly generated at the conductivity boundaries within the object. The proposed theory on the MA tomography with magnetic induction produced highly consistent results among computational and experimental paradigms in a two-layer sample phantom and suggested the potential applications for bioimpedance imaging.
引用
收藏
页码：813 / 816
页数：4
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