DocumentCode
834272
Title
Suppression of Ring Artefacts in CT Fan-Beam Scanners
Author
Kowalski, G.
Author_Institution
Philips GmbH Forschungslaboratorium Hamburg, Postbox 54 08 40 2000 Hamburg 54, FRG
Volume
25
Issue
5
fYear
1978
Firstpage
1111
Lastpage
1116
Abstract
A software algorithm is presented which is able to suppress ring-like artefacts which occur in CT fan-beam scanners when the measurements are slightly erroneous in their offset or gain.
Keywords
Buffer storage; Convolution; Filtering; Frequency measurement; Kernel; Sampling methods; Sensor arrays; Shape; X-ray detection; X-ray detectors;
fLanguage
English
Journal_Title
Nuclear Science, IEEE Transactions on
Publisher
ieee
ISSN
0018-9499
Type
jour
DOI
10.1109/TNS.1978.4329487
Filename
4329487
Link To Document