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ESTRO IMRT course 2015
IMRT optimization: algorithms&cost functions
Brussels October 5th, 2015
-38-
Iterative segment shape (aperture) optimization
initial field
•
trial-and-error
(e.g. simulated annealing)
•
derivatives
•
brute force
candidates for
opening
or
closing
leaves
dose calculation
chose next field,
repeat
altered field