Three-dimensional (3D) treatment planning often involves complex combinations of beam energies, treatment fields, and beam modifying devices. Even when a plan is devised that meets many treatment-planning objectives, limitations in the planner's ability to further adjust beam characteristics may req
Optimisation of beam directions in intensity modulated radiation therapy planning
β Scribed by Matthias Ehrgott; Rick Johnston
- Publisher
- Springer
- Year
- 2003
- Tongue
- German
- Weight
- 222 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0171-6468
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π SIMILAR VOLUMES
Intensity-modulated radiation therapy (IMRT) gives rise to systems of linear inequalities, representing the effects of radiation on the irradiated body. These systems are often infeasible, in which case one settles for an approximate solution, such as an {Ξ±, Ξ²}-relaxation, meaning that no more than
It is commonly believed that not all degrees of freedom are needed to produce good solutions for the treatment planning problem in intensity modulated radiation therapy (IMRT). However, typical methods to exploit this fact either increase the complexity of the optimization problem or are heuristic i