Title :
BPF reconstruction for helical CT using all data
Author :
Köhler, Thomas ; Bontus, Claas ; Proksa, Roland
Author_Institution :
Philips Technologie GmbH Forschungslaboratorien, RöntgenstraÃ\x9fe 24-26, 22335 Hamburg, Germany
Abstract :
The sensitivity of back-projection filtering (BPF) type algorithms for helical CT reconstruction to patient motion is investigated. The sensitivity can be largely reduced by averaging independent reconstructions using different amounts of redundant data with appropriate weights.
Keywords :
Band pass filters; Filtering algorithms; Geometry; Image reconstruction; Image segmentation; Q measurement; Reconstruction algorithms; Shape; Visualization;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2008. NSS '08. IEEE
Conference_Location :
Dresden, Germany
Print_ISBN :
978-1-4244-2714-7
Electronic_ISBN :
1095-7863
DOI :
10.1109/NSSMIC.2008.4774195