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Investigation on reconstruction methods applied to 3D terahertz computed tomography

Abstract : 3D terahertz computed tomography has been performed using a monochromatic millimeter wave imaging system coupled with an infrared temperature sensor. Three different reconstruction methods (standard back-projection algorithm and two iterative analysis) have been compared in order to reconstruct large size 3D objects. The quality (intensity, contrast and geometric preservation) of reconstructed cross-sectional images has been discussed together with the optimization of the number of projections. Final demonstration to real-life 3D objects has been processed to illustrate the potential of the reconstruction methods for applied terahertz tomography.
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https://hal.archives-ouvertes.fr/hal-00577605
Contributor : Benoît Recur <>
Submitted on : Thursday, March 17, 2011 - 8:32:46 AM
Last modification on : Wednesday, January 31, 2018 - 12:15:51 PM
Document(s) archivé(s) le : Thursday, November 8, 2012 - 12:00:45 PM

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Benoît Recur, A. Younus, S. Salort, Patrick Mounaix, B. Chassagne, et al.. Investigation on reconstruction methods applied to 3D terahertz computed tomography. Optics Express, Optical Society of America, 2011, 19 (6), pp.5105-5117. ⟨10.1364/OE.19.005105⟩. ⟨hal-00577605⟩

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