An Optimal Fluence Map in IMRT with Trapezoidal Fuzzy Target Dose for Head-and-neck Cancer
Publish Year: 1398
نوع سند: مقاله کنفرانسی
زبان: English
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ICIORS12_101
تاریخ نمایه سازی: 24 شهریور 1398
Abstract:
According to the clinical practice, in the Intensity modulated radiation therapy (IMRT) procedure some of the parameters are fuzzy. In this paper, the optimal treatment has been shown as a solution of an optimization problem with quadratic objective function, where the prescribed target dose is a trapezoidal fuzzy number. We in [5] solved this problem with prescribed target dose in the form of triangular fuzzy number. Since the solution set is non-convex, the optimal solution has been obtained by relaxation method. Numerical simulationis given in head-and-neck cancer.
Keywords:
Intensity modulated radiation therapy (IMRT) , trapezoidal fuzzy number , optimization , Computational Environment for Radiotherapy Research (CERR)
Authors
Omolbanin Bozorg
Department of Mathematics , Yazd University Yazd, Iran
Alireza Fakharzadeh Jahromi
Department of Mathematics, Shiraz University of Technology Shiraz, Iran
Ali Delavar Khalafi
Department of Mathematics , Yazd University Yazd, Iran