Minimum-Support Solutions for Radiotherapy Planning
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Auteurs : Stephen C. Billups [États-Unis] ; Janine M. Kennedy [États-Unis]Source :
- Annals of Operations Research [ 0254-5330 ] ; 2003-03-01.
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Abstract
Abstract: Computer-generated plans for radiation treatment sometimes involve an unnecessarily large number of gantry angles. Such plans are time consuming and expensive to administer because each distinct angle causes a delay while the gantry is repositioned. To address this issue, we consider an optimization model that generates minimum-support solutions to the treatment planning problem – that is, solutions involving a minimum number of gantry angles. This model is a polyhedral concave program, which is solved using a successive linearization algorithm based on work by Mangasarian [10].
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DOI: 10.1023/A:1022946926589
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