Course book Advanced Treatment Planning 2018
How DVH cost functions are calculated
Dose ( Gy ) in voxel i
PTV: MinDVH d=75Gy vol=99%
Cost . . .
. . .
1. Sort voxels by dose 2. MinDVH: select highest 99% of voxels 3. Compute and add costs
0 0 0 0 0 1 1 4
77 77 76 75 75 74 74 73 73 72 X X
99 %
Sum
1 %
17
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