Title :
Experimental evaluation of capacitance tomographic flow imaging systems using physical models
Author :
Xie, C.G. ; Huang, S.M. ; Lenn, C.P. ; Stott, A.L. ; Beck, M.S.
Author_Institution :
Dept. of Electr. Eng. & Electron., Univ. of Manchester Inst. of Sci. & Technol., UK
fDate :
10/1/1994 12:00:00 AM
Abstract :
An experimental method for evaluating the performance of capacitance tomographic flow imaging systems is described. Criteria are defined to describe the performance of these systems, namely spatial and permittivity resolution, accuracy (system errors) and signal to noise ratio. Static physical models simulating typical flow distribution patterns are used as standard test objects and The criteria are quantified by comparing the reconstructed images with the standards. Systems with 8 and 12 electrodes have been tested and the results compared to show the improvement obtained with the increased number of electrodes
Keywords :
capacitance measurement; computerised tomography; flow visualisation; image reconstruction; interference (signal); measurement errors; permittivity measurement; 12 electrode system; 8 electrode system; SNR; capacitance tomographic flow imaging systems; experimental method; flow distribution patterns; performance evaluation; permittivity resolution; physical models; reconstructed images; signal to noise ratio; spatial resolution; standard test objects; system errors;
Journal_Title :
Circuits, Devices and Systems, IEE Proceedings -
DOI :
10.1049/ip-cds:19941152
