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Proceedings Paper

Dual-energy cone-beam micro-CT for animal imaging: preliminary study
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Paper Abstract

We have recently developed a prototype cone-beam micro-CT system for studying new image reconstruction algorithms experimentally as well as for small animal imaging. Dual energy methods have widely been investigated and applied for eliminating beam hardening artifacts in the reconstructed images and for performing quantitative CT. We have proposed earlier a pre-reconstruction-type dual energy method which has the advantage that the cone-beam CT data from two measurements with different x-ray energy spectra are first processed to obtain quantities that are approximately consistent with the x-ray transform, and then image reconstruction is performed. In this work, the proposed method is applied to the cone-beam micro-CT data acquired by our prototype system. Only the thickness maps of the object based on projection images are shown in this work as a preliminary.

Paper Details

Date Published: 14 March 2007
PDF: 6 pages
Proc. SPIE 6510, Medical Imaging 2007: Physics of Medical Imaging, 65103M (14 March 2007); doi: 10.1117/12.713243
Show Author Affiliations
Seungryong Cho, Univ. of Chicago (United States)
Emil Sidky, Univ. of Chicago (United States)
Junguo Bian, Univ. of Chicago (United States)
Xiaochuan Pan, Univ. of Chicago (United States)

Published in SPIE Proceedings Vol. 6510:
Medical Imaging 2007: Physics of Medical Imaging
Jiang Hsieh; Michael J. Flynn, Editor(s)

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