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Fiducial markers: offline
•
Succesfull reduction of systematic error!
Without applying a correction protocol, the
systematic errors (
Σ)
are:
4.8, 2.2 and 2.9 mm in the vertical, lateral and
longitudinal directions
The SAL protocol
0.7, 0.8 and 0.8 mm, respectively.
Random position variations are not reduced in
an off-line correction protocol