Virtual adaptation of physical phantoms to datasets derived from clinical tomographic examinations

Felix H. Schöfer; Karl Schneider; Christoph Hoeschen

doi:10.1117/12.709463

15 March 2007 Virtual adaptation of physical phantoms to datasets derived from clinical tomographic examinations

Felix H. Schöfer, Karl Schneider, Christoph Hoeschen

Proceedings Volume 6510, Medical Imaging 2007: Physics of Medical Imaging; 65104L (2007) https://doi.org/10.1117/12.709463
Event: Medical Imaging, 2007, San Diego, CA, United States

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.

Citation Download Citation

Felix H. Schöfer, Karl Schneider, and Christoph Hoeschen "Virtual adaptation of physical phantoms to datasets derived from clinical tomographic examinations", Proc. SPIE 6510, Medical Imaging 2007: Physics of Medical Imaging, 65104L (15 March 2007); https://doi.org/10.1117/12.709463

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