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Is the skull a suitable reference?
•
Positioning accuracy (6DOF robotic couch)
SBRT 2017 - D. Verellen
33
y = 1,0123x + 0,0542
R² = 0,9996
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-6
-4
-2
0
2
4
6
Average measured lateral
rotations [°]
Applied lateral rotations on the CT images [°]
Waterlevel
Portal film
y = 1,0256x - 0,005
R² = 0,9997
-4
-3
-2
-1
0
1
2
3
4
-6
-4
-2
0
2
4
6
Average measured longitudinal
rotations [°]
Applied longitudinal rotations on the CT images [°]
Waterlevel
Portal film
Gevaert
et al.
Int J Radiat Oncol Biol Phys 2012