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Proceedings Paper

Image reconstruction for x-ray K-edge imaging with a photon counting detector
Author(s): Bo Meng; Wenxiang Cong; Yan Xi; Ge Wang
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Paper Abstract

Contrast agents with high-Z elements have K-absorption edges which significantly change X-ray attenuation coefficients. The K-edge characteristics is different for various kinds of contrast agents, which offers opportunities for material decomposition in biomedical applications. In this paper, we propose a new K-edge imaging method, which not only quantifies a distribution of a contrast agent but also provides an optimized contrast ratio. Our numerical simulation tests demonstrate the feasibility and merits of the proposed methodology.

Paper Details

Date Published: 13 September 2014
PDF: 8 pages
Proc. SPIE 9212, Developments in X-Ray Tomography IX, 921219 (13 September 2014); doi: 10.1117/12.2061392
Show Author Affiliations
Bo Meng, Rensselaer Polytechnic Institute (United States)
The First Research Institute of Ministry of Public Security (China)
Wenxiang Cong, Rensselaer Polytechnic Institute (United States)
Yan Xi, Rensselaer Polytechnic Institute (United States)
Ge Wang, Rensselaer Polytechnic Institute (United States)

Published in SPIE Proceedings Vol. 9212:
Developments in X-Ray Tomography IX
Stuart R. Stock, Editor(s)

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