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Publication: Infrared species limited data tomography through Tikhonov reconstruction

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Title Infrared species limited data tomography through Tikhonov reconstruction
Authors/Editors* K. J. Daun
Where published* Journal of Quantitative Spectroscopy and Radiative Transfer
How published* Journal
Year* 2011
Volume 111
Number
Pages 105-115
Publisher
Keywords
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Abstract
Optical tomography based on infrared laser light absorption is a promising approach for making spatially- and temporally-resolved fuel concentration measurements within combustion devices, but limited optical access often restricts both the number of laser beams and their arrangement. This paper demonstrates how Tikhonov regularization based on a Laplacian smoothing matrix can solve the resulting limited data tomography problem, and provides superior reconstructions for Gaussian phantoms compared to modified Landweber reconstruction.
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