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Proceedings Paper

Virtual adaptation of physical phantoms to datasets derived from clinical tomographic examinations
Author(s): Felix H. Schöfer; Karl Schneider; Christoph Hoeschen
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Paper Abstract

Thoracic radiography was simulated making use of a virtual pediatric model created from tomographic data (voxelphantom) of a child eight weeks old. The dataset was scaled down to fit the dimensions of a premature newborn. The simulation allows a quantitative and spatially resolved analysis of the x-ray image generation. The transmission behavior of different anatomical regions present in the voxelphantom was compared to the output of the simulation of a step-like phantom made from aluminum and PMMA. The step like structure of the simulated model can be easily built and statements about its x-ray related behavior can be directly validated by means of experiments. A thin contrast plate was placed on each step to make the determination of dependences e.g. between the applied radiation energy and the contrast to noise ratio possible.

Paper Details

Date Published: 15 March 2007
PDF: 7 pages
Proc. SPIE 6510, Medical Imaging 2007: Physics of Medical Imaging, 65104L (15 March 2007); doi: 10.1117/12.709463
Show Author Affiliations
Felix H. Schöfer, GSF Research Ctr. for Environment and Health (Germany)
Karl Schneider, Univ. München (Germany)
Christoph Hoeschen, GSF Research Ctr. for Environment and Health (Germany)

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

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