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Proceedings Paper

Experimental investigation of the optimal parameters of a single-scan dual-energy KCD
Author(s): Zeping Zhu; M. Waleed Gaber; Joseph S. Laughter; Robert J. Endorf; Herbert D. Zeman; Frank A. DiBianca
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Paper Abstract

A kinestatic charge detector (KCD) with fourteen segmented signal collectors was built to evaluate the imaging performance of the single-scan dual energy x-ray KCD system. Those front segments of the KCD collectors will produce a low energy signal and those rear segments will produce a high energy signal. The middle segments between the front and rear work as an inactive filter to increase the separation of mean energies absorbed in the front and rear segments. In this study, the segmented KCD output signals were measured and compared with the Monte Carlo simulated result. An optimal KCD collector configuration is gotten by mapping the low energy and high energy signal amplitude to the predetermined thickness of the lucite-aluminum wedge-phantom (0-228.6 mm lucite and 0-25.4 mm aluminum), and then performing error analysis between the calculated thickness and known thickness.

Paper Details

Date Published: 11 April 1996
PDF: 7 pages
Proc. SPIE 2708, Medical Imaging 1996: Physics of Medical Imaging, (11 April 1996); doi: 10.1117/12.237808
Show Author Affiliations
Zeping Zhu, Univ. of Tennessee/Memphis (United States)
M. Waleed Gaber, Univ. of Tennessee/Memphis (United States)
Joseph S. Laughter, Univ. of Tennessee/Memphis (United States)
Robert J. Endorf, Univ. of Cincinnati (United States)
Herbert D. Zeman, Univ. of Tennessee/Memphis (United States)
Frank A. DiBianca, Univ. of Tennessee/Memphis (United States)


Published in SPIE Proceedings Vol. 2708:
Medical Imaging 1996: Physics of Medical Imaging
Richard L. Van Metter; Jacob Beutel, Editor(s)

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