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Conference Papers Year : 2009

A multiresolution image reconstruction method in X-ray microCT

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Abstract

We propose a method for multiresolution image reconstruction in X-ray micro computed tomography (microCT). It can have a variety of applications, from material characterization to small animal imaging studies. The main idea is to recover an overall image of the sample with a coarse resolution, and with a fine resolution for a region-of-interest (ROI). In a zoo-min CT type setup, two sets of data are used, taken at different magnifications ratios. They are combined with the help of an analytical relation and the reconstruction is an extension of the filtered back-projection (FBP) algorithm. We present results with simulated data, some performance aspects and a simple noise analysis.
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Dates and versions

cea-02544394 , version 1 (30-04-2020)

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Marius Costin, Delphine Lazaro-Ponthus, Samuel Legoupil, Valerie Kaftandjian. A multiresolution image reconstruction method in X-ray microCT. 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2009), Oct 2009, Orlando, United States. pp.3871-3876, ⟨10.1109/NSSMIC.2009.5401919⟩. ⟨cea-02544394⟩
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