A Gold Sensors Array for Imaging The Real Tissue Phantom in Electrical Impedance Tomography

Bera, Tushar Kanti and Nagaraju, J (2015) A Gold Sensors Array for Imaging The Real Tissue Phantom in Electrical Impedance Tomography. In: International Conference on Materials Science and Technology (ICMST), JUN 10-14, 2012, Kerala, INDIA.

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Abstract

Surface electrodes in Electrical Impedance Tomography (EIT) phantoms usually reduce the SNR of the boundary potential data due to their design and development errors. A novel gold sensors array with high geometric precision is developed for EIT phantoms to improve the resistivity image quality. Gold thin films are deposited on a flexible FR4 sheet using electro-deposition process to make a sixteen electrode array with electrodes of identical geometry. A real tissue gold electrode phantom is developed with chicken tissue paste and the fat cylinders as the inhomogeneity. Boundary data are collected using a USB based high speed data acquisition system in a LabVIEW platform for different inhomogeneity positions. Resistivity images are reconstructed using EIDORS and compared with identical stainless steel electrode systems. Image contrast parameters are calculated from the resistivity matrix and the reconstructed images are evaluated for both the phantoms. Image contrast and image resolution of resistivity images are improved with gold electrode array.

Item Type:	Conference Proceedings
Series.:	IOP Conference Series-Materials Science and Engineering
Publisher:	IOP PUBLISHING LTD
Additional Information:	International Conference on Materials Science and Technology (ICMST), Kerala, INDIA, JUN 10-14, 2012
Department/Centre:	Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited:	13 May 2015 07:31
Last Modified:	13 May 2015 07:31
URI:	http://eprints.iisc.ac.in/id/eprint/51536

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