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. 2020 Feb 11;10:122. doi: 10.3389/fonc.2020.00122

Table 1.

Translational accuracy of the 6DTC by using 6DOF platform and the robot couch in lateral, longitudinal, and vertical directions.

Translational displacement (mm) Lateral error (mm) Longitudinal error (mm) Vertical error (mm)
6DTC Robot couch 6DTC Robot couch 6DTC Robot couch
X/Y Z Mean (ABS) SD Mean (ABS) SD Mean (ABS) SD Mean (ABS) SD Mean (ABS) SD Mean (ABS) SD
−200 0.25 0.02 0.17 0.02 0.25 0.02 0.05 0.02
−150 −120 0.12 0.01 0.15 0.01 0.26 0.08 0.06 0.02 0.15 0.02 0.08 0.02
−100 −100 0.03 0.02 0.00 0.02 0.12 0.07 0.06 0.02 0.15 0.03 0.09 0.02
−50 −50 0.11 0.02 0.10 0.01 0.12 0.06 0.08 0.02 0.08 0.02 0.03 0.02
50 50 0.12 0.02 0.00 0.01 0.07 0.03 0.01 0.01 0.10 0.03 0.06 0.01
100 100 0.10 0.02 0.10 0.01 0.09 0.03 0.08 0.02 0.12 0.02 0.12 0.01
150 120 0.10 0.03 0.21 0.01 0.15 0.07 0.09 0.02 0.17 0.02 0.18 0.01
200 0.04 0.01 0.01 0.01 0.06 0.02 0.09 0.01