Additional dose constraints for analytical beam weighting optimization in IMRT
This work presents an improvement to an algorithm for analytical beam weighting optimization where a flexible objective function, which considers ‘importance factors’ for each anatomical region and ‘allowed deviations’ from the prescribed dose, is defined. This upgrading allows forcing the mean valu...
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Published in | Radiotherapy and oncology Vol. 75; no. 2; pp. 224 - 226 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Ireland
Elsevier Ireland Ltd
01.05.2005
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Subjects | |
Online Access | Get full text |
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Summary: | This work presents an improvement to an algorithm for analytical beam weighting optimization where a flexible objective function, which considers ‘importance factors’ for each anatomical region and ‘allowed deviations’ from the prescribed dose, is defined.
This upgrading allows forcing the mean value of the dose distribution to be the desired value, by using Lagrange multipliers.
A real case is presented to show the effect of this change. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0167-8140 1879-0887 |
DOI: | 10.1016/j.radonc.2005.03.014 |