Idroas, M. and Abdul Rahim, R. and Fazalul Rahiman, M. H. (2010) Optical tomography system: charge-coupled device linear image sensors. Sensors & Transducers, 120 (9). pp. 62-69. ISSN 1726-5479
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This paper discussed an optical tomography system based on charge-coupled device (CCD) linear image sensors. The developed system consists of a lighting system, a measurement section and a data acquisition system. Four CCD linear image sensors are configured around a flow pipe with an octagonal-shaped measurement section, for a four projections system. The four CCD linear image sensors consisting of 2048 pixels with a pixel size of 14 micron by 14 micron are used to produce a high-resolution system. A simple optical model is mapped into the system's sensitivity matrix to relate the optical attenuation due to variations of optical density within the measurement section. A reconstructed tomographic image is produced based on the model using MATLAB software. The designed instrumentation system is calibrated and tested through different particle size measurements from different projections.
|Uncontrolled Keywords:||charge coupled devices, images, lighting, matlab, pixels, projection, sensors, tomography|
|Subjects:||Q Science > QD Chemistry|
|Divisions:||Chemical and Natural Resources Engineering (Formerly known)|
|Deposited By:||Liza Porijo|
|Deposited On:||21 Jun 2012 08:27|
|Last Modified:||08 Feb 2017 05:57|
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