title: Biological impedance cross evaluation and imaging from composite measurements of magnetic and electrical methods.
abstract: Because of the need for rapid detection and location of diseases in clinical applications, this work proposes a composite measurement of magnetic induction tomography (MIT) and electrical impedance tomography (EIT). This paper is composed of the following aspects: portable and integral hardware design, stable dual constant-current sources, the composite detection method, cross-plane data acquirement, 3-dimensional image reconstruction and so on. A qualitative evaluation of conductivity, resolution and relative position error were taken by combining the EIT and MIT methods via the experiment model. The sensitivities of both methods were analyzed to improve the imaging results. The reconstruction results reveal that the system is capable of obtaining better physiological measurements, which is very useful in clinical monitoring, quick medical diagnosing and preliminary screening of community health.
authors.affiliation: Chongqing Municipal Level Key Laboratory of Photoelectronic Information Sensing and Transmitting Technology, Chongqing University of Posts and Telecommunications, 400065, Chongqing 400065, China.
authors.forename: Peng
authors.initials: P
authors.lastname: Ran
authors.affiliation: State Key Laboratory of Power Transmission Equipment & System Security and New Technology, 400044, Chongqing, China.
authors.forename: Xiaoming
authors.initials: X
authors.lastname: Xiao
authors.affiliation: State Key Laboratory of Power Transmission Equipment & System Security and New Technology, 400044, Chongqing, China.
authors.forename: Wei
authors.initials: W
authors.lastname: He
authors.affiliation: Chongqing Municipal Level Key Laboratory of Photoelectronic Information Sensing and Transmitting Technology, Chongqing University of Posts and Telecommunications, 400065, Chongqing 400065, China.
authors.forename: Zhangyong
authors.initials: Z
authors.lastname: Li
mesh_terms: D000465:Algorithms; D001921:Brain / Q000502:physiology*; D003198:Computer Simulation; D004574:Electromagnetic Fields; D004867:Equipment Design; D019544:Equipment Failure Analysis; D006801:Humans; D007089:Image Enhancement / Q000295:instrumentation / Q000379:methods; D007090:Image Interpretation, Computer-Assisted / Q000295:instrumentation / Q000379:methods*; D021621:Imaging, Three-Dimensional / Q000379:methods*; D008954:Models, Biological; D019047:Phantoms, Imaging; D010992:Plethysmography, Impedance / Q000295:instrumentation / Q000379:methods*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D018511:Systems Integration; D014054:Tomography / Q000295:instrumentation / Q000379:methods*
keywords: 3-dimensional image; Bioelectrical impedance measurement; cross evaluation and imaging; magnetic induction tomography