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  1. Home
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  4. Does Parallel Projection is Suitable in Electrical Capacitance Tomography? –A Comparison with Common Approach
 
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Does Parallel Projection is Suitable in Electrical Capacitance Tomography? –A Comparison with Common Approach

Journal
Journal of Tomography System & Sensors Application
Date Issued
2021
Author(s)
Muhammad Faris Aiman Hisham
Yasmin Abdul Wahab
Zainah Md Zain
Mohd Hafiz Fazalul Rahiman
Leow Pei Ling
Rashidah Arsat
Ruzairi Abdul Rahim
Nurhafizah Abu Talip@Yusof
Rohana Abdul Karim
Nor Farizan Zakaria
Nurul Wahidah Arshad
Suzanna Ridzuan Aw
Juliza Jamaludin 
Universiti Sains Islam Malaysia 
Abstract
Electrical Capacitance Tomography (ECT) is one of the soft field tomography that widely used for the purpose of measurement and monitoring of multiphase flow. Common problem of the soft field tomography is low quality and unstable images in the pipe especially at the center section of the pipe. In this paper, an ECT system with a comparison between common approach and a parallel approach is presented. Simulation in 2 dimensions with 16-electrode is carried out to observe a potential projection. The COMSOL Multiphysics software is used to investigate the state and response of the electric field with this approach by exporting data with 128x128 pixels. Air bubbles as a phantom in the oil medium have been tested and analyzed. Linear Back-Projection Algorithm (LBP) is implemented using MATLAB software to obtain a tomogram. A Multi Scale Structural Similarity, MSSIM was applied to compare both approaches. Consequently, the resolution and quality of the pictures in the pipes can be distinguished. However, a further investigation is needed to improve the parallel approach for ECT system.
Subjects

ECT, Fan projection, ...

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