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Pencil kernel correction and residual error estimation for quality-index-based dose calculations
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Oncology, Radiology and Clinical Immunology.
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2006 (English)In: Physics in Medicine and Biology, ISSN 0031-9155, E-ISSN 1361-6560, Vol. 51, no 23, 6245-6262 p.Article in journal (Refereed) Published
Abstract [en]

Experimental data from 593 photon beams were used to quantify the errors in dose calculations using a previously published pencil kernel model. A correction of the kernel was derived in order to remove the observed systematic errors. The remaining residual error for individual beams was modelled through uncertainty associated with the kernel model. The methods were tested against an independent set of measurements. No significant systematic error was observed in the calculations using the derived correction of the kernel and the remaining random errors were found to be adequately predicted by the proposed method.

Place, publisher, year, edition, pages
2006. Vol. 51, no 23, 6245-6262 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-12109DOI: 10.1088/0031-9155/51/23/021ISI: 000242619200021PubMedID: 17110783OAI: oai:DiVA.org:uu-12109DiVA: diva2:39878
Available from: 2007-11-27 Created: 2007-11-27 Last updated: 2011-05-04Bibliographically approved

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Ahnesjö, Anders
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