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Proceedings Paper

Analytical scatter estimation for cone-beam computed tomography
Author(s): Harry R. Ingleby; Idris A. Elbakri; Daniel W. Rickey; Stephen Pistorius
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Paper Abstract

We are investigating methods for computational scatter estimation for scatter correction in cone-beam computed tomography. We have developed an analytical method for estimating single scatter. The paper discusses our analytical method and its validation using Monte Carlo simulations. The paper extends previous results to include both Compton and Rayleigh single scatter interactions. The paper also discusses the potential for hybrid scatter estimation, in which empirical measurements of the total scatter signal in the collimator shadow may be used to augment computational single scatter estimates and thus account for multiple scatter.

Paper Details

Date Published: 13 March 2009
PDF: 8 pages
Proc. SPIE 7258, Medical Imaging 2009: Physics of Medical Imaging, 725839 (13 March 2009); doi: 10.1117/12.813804
Show Author Affiliations
Harry R. Ingleby, CancerCare Manitoba (Canada)
Idris A. Elbakri, CancerCare Manitoba (Canada)
Daniel W. Rickey, CancerCare Manitoba (Canada)
Stephen Pistorius, CancerCare Manitoba (Canada)

Published in SPIE Proceedings Vol. 7258:
Medical Imaging 2009: Physics of Medical Imaging
Ehsan Samei; Jiang Hsieh, Editor(s)

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