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• Rahim, RAbdul
• Chen, LLai
• San, CKok
• Fazalul Rahiman, MHafiz
• Fea, PJon
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• Chen, LLai
• San, CKok
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• Fea, PJon
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• Chen, LLai
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• Fea, PJon

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Sensors 2009, 9(11), 8562-8578; doi:10.3390/s91108562

Article

Multiple Fan-Beam Optical Tomography: Modelling Techniques

Ruzairi Abdul Rahim^1,* , Leong Lai Chen¹ , Chan Kok San¹ , Mohd Hafiz Fazalul Rahiman²  and Pang Jon Fea¹

¹ Process Tomography Research Group (PROTOM), Department of Control & Instrumentation Engineering, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia ² Tomography Imaging Research Group, School of Mechatronic Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia

* Author to whom correspondence should be addressed.

Received: 16 July 2009; in revised form: 14 September 2009 / Accepted: 15 September 2009 / Published: 27 October 2009

(This article belongs to the Section Physical Sensors)

Download PDF Full-Text [788 KB, uploaded 27 October 2009 14:23 CET]

Abstract: This paper explains in detail the solution to the forward and inverse problem faced in this research. In the forward problem section, the projection geometry and the sensor modelling are discussed. The dimensions, distributions and arrangements of the optical fibre sensors are determined based on the real hardware constructed and these are explained in the projection geometry section. The general idea in sensor modelling is to simulate an artificial environment, but with similar system properties, to predict the actual sensor values for various flow models in the hardware system. The sensitivity maps produced from the solution of the forward problems are important in reconstructing the tomographic image.

Keywords: optical tomography; sensor modelling

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