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Application of Digital Imaging Technique in Electrical Charge Tomography System for Image Reconstruction Validation

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2 Author(s)
Isa, M.D. ; Electr. Eng. Dept., Politeknik Kota Bharu, Kota Bharu, Malaysia ; Rahmat, M.F.

Image reconstruction in electrical charge tomography is vital and has not been widely studied. There are three methods introduced before namely linear back projection, filter back projection and least square methods. These normally face with ill-posed problem and its solution is unstable and inaccuracy. In this paper, the new image reconstruction method has been introduced to reconstruct the image cross-section of material in gravity mode conveyor pipeline. Numerical analysis result indicated that this algorithm is efficient to overcome the numerical instability. Instead of image reconstruction process, validation the accuracy of the image is very important. It would be parts of verify process to the new image reconstruction method. In this system, digital imaging technique is used to interrogate the flow in pipeline around sensing area using CCD camera. The result between image reconstruction by new method and image captured by CCD camera will be compared.

Published in:

Machine Vision, 2009. ICMV '09. Second International Conference on

Date of Conference:

28-30 Dec. 2009