If HD 95% is 0 then it means that 95% or more surface points have 0.0mm (or less than one voxel) error. This is possible if you use synthetic data and the alignment is nearly perfect.
If HD 95% is 0 then it means that 95% or more surface points have 0.0mm (or less than one voxel) error. This is possible if you use synthetic data and the alignment is nearly perfect.