Advanced Physics for Brachytherapy 2018
Objectives & Objective Functions Inverse Optimisation and Planning
d i j is the dose at the j th -sampling point for the i th -objective function:
~
k ASDP
N
N
i
i jkl lkK lk
2
= cath k 1 (x)
d
d Sx
=
j
,
l
=
1
Catheters Active SDPs
Dwell times t lk
?
• x²
= t lk to avoid negative (non-physical) dwell time values t lk
lk
• , can (should) be calculated in a pre-processing step and are then available in a sense of a Look-Up-Table for the optimisation process. Implementations in this way make optimiser independent of the dose calculation engine considered ( TG 43, MC, BS, CC, other Engines ) i jkl d ~
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