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Validation of sCT
03/01/13
A number of performance metrics are used:
Dose difference
•
Percentage difference at prescription points,
isocentre or DVH points
MAE
•
Voxel-wise mean difference in HU; Values sensitive
to inclusion of more soft-tissue or air
Overlap (DSC or MASD) in bone
•
Dice similarity coefficient or Mean Hausendorf
Distance
Gamma index
•
Displayed as a map; combined distance to
agreement and dose difference