Abstract
Differences in the individual pixel response of detector elements introduce ring artifacts in tomographic images seriously degrading image quality. Removing or at least significantly reducing such artifacts is indispensable. In this paper an improved ring artifacts remover filter based on the approach of I. Sijbers and A. Postnov [1] is presented. The principal advantage and core characteristic of the proposed method is that it can be applied directly on images that have been already reconstructed, thus eliminating the need for additional imaging data like sinograms, flat fields and dark fields that are traditionally used for ring removal. The proposed method is computationally inexpensive and can be used even within established CT workflows or on past archived tomographic data.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2009 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Brun, F., Kourousias, G., Dreossi, D., Mancini, L. (2009). An improved method for ring artifacts removing in reconstructed tomographic images. In: Dössel, O., Schlegel, W.C. (eds) World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany. IFMBE Proceedings, vol 25/4. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03882-2_247
Download citation
DOI: https://doi.org/10.1007/978-3-642-03882-2_247
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-03881-5
Online ISBN: 978-3-642-03882-2
eBook Packages: EngineeringEngineering (R0)