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We describe a fast method for high-resolution electrical capacitance tomography (ECT) of objects and fluid flow in annular regions close to sensing electrodes. Image reconstruction in conventional ECT is performed in the entire sensing domain using the full set of available measurements. Recent developments in adaptive electrical capacitance tomography (AECT) open up the possibility of electronic...
In adaptive electrical capacitance tomography (AECT), synthetic electrodes of different sizes are formed by combining the smaller electrode segments. Different sized electrodes can be employed to interrogate different regions of the sensing domain since smaller synthetic electrodes provide higher resolution at the periphery of the domain while larger electrodes are preferred to interrogate the center...
Different synthetic electrode configurations are investigated for use in adaptive electrical capacitance volume tomography (AECVT). We evaluate in particular the spectrum of singular values of the sensitivity matrix as a function of the set of activated electrode to seek optimal arrangements that maximize the information content provided by a fixed number of measurement acquisitions (or acquisition...
Different synthetic electrode configurations are investigated for use in adaptive electrical capacitance volume tomography. We evaluate in particular the spectrum of singular values of the resulting sensitivity matrix as a function of the set of activated electrode to seek optimal arrangements that maximize the information content provided by a fixed number of measurement acquisitions (or acquisition...
Electrical capacitance tomography (ECT) is a low-cost, high-speed imaging technique useful in many industrial settings. ECT is predicated on the knowledge of sensitivity maps between capacitance electrodes that blanket the imaging domain. The simultaneous activation of multiple electrodes can be advantageous to manipulate the resulting field distributions and capture additional spatial information...
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