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The inverse problem, optimization symplified …
03/01/13
target
OAR
Leaf N position
target
•
Sparing OAR reduced, but could be improved
•
Coverage target remains good
Leaf N
A
A
target
Leaf N
Optimum
B
B
target
•
Sparing OAR OK
•
BUT Coverage target no longer acceptable !!!
Leaf N
C
C
Cost function