Impedance imaging using induced currents
| Autor: | I L Freeston, R C Tozer |
|---|---|
| Rok vydání: | 1995 |
| Předmět: |
Permittivity
Materials science Physiology business.industry Biomedical Engineering Biophysics Conductivity Models Biological Imaging phantom Electrical contacts Nuclear magnetic resonance Optics Physiology (medical) Electrode Electric Impedance Image Processing Computer-Assisted Electrical resistivity tomography business Electrodes Tomography Electrical impedance tomography Algorithms Voltage |
| Zdroj: | Physiological Measurement. 16:A257-A266 |
| ISSN: | 1361-6579 0967-3334 |
| DOI: | 10.1088/0967-3334/16/3a/024 |
| Popis: | The principal features of an electrical impedance tomography system using induced currents are described. Images of the distribution of conductivity in a two-dimensional phantom are obtained using an algorithm based on a sensitivity matrix. Results are also presented which demonstrate the separation of conductivity and permittivity images from measurements of the complex peripheral voltage, the formation of unreferenced permittivity images, and the use of capacitively coupled electrodes in a measuring system without direct electrical contact. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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