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9 ELECTRICAL IMPEDANCE TOMOGRAPHY
Pages 143-146

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From page 143...
... While KIT methods have not yet gained a significant foothold in the medical imaging community, they have been shown to work well in both geophysical and industrial settings and, therefore, it is possible that future medical imaging applications may follow rather rapidly from the advances made for other applications. 9.2 Comparison to Other Mocialities There is a formal mathematical analogy between KIT and x-ray computed tomography (CT)
From page 144...
... 9.3 Present Status of KIT and Limitations The impedance imaging problem is nonlinear and extremely ill posed, which means that large changes in interior properties can result in only small changes in the measurements. This implies that making a high-resolution image would require extremely accurate measurements, which in turn makes the problem of designing appropriate electronics very challenging.
From page 145...
... 9.4 Research Opportunities · Development of a realistic model that describes the multiple path problem, and development of mathematical methods of tomography that respect the physics of multipath incoherent diffusion. · Clinical research performed to determine the role of impedance imaging for applications such as determination of cardiac output, monitoring for pulmonary edema, and screening for breast cancer.
From page 146...
... Barber, D.C., Electrical impedance tomography, in The Biomedical Engineering Handbook, J.D. Bronzino, ea., CRC Press, Boca Raton, Fla., 1995, 1151-1164.


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