. Author manuscript; available in PMC: 2018 Jul 7.

Published in final edited form as: Phys Med Biol. 2017 Jul 7;62(13):5509–5530. doi: 10.1088/1361-6560/aa6e37

Table 1.

Motion ranges, RMS errors, 3D normalized RMS errors and percentages of time for 3D errors exceeding 1, 2, 3 mm in simulation cases of ellipsoidal motions with noise added to the 2D marker positions.

Motion ranges (mm)	RMS errors (mm)				3D normalized RMS errors	% of time for 3D errors exceeding (mm)
Motion ranges (mm)	x	y	z	3D	3D normalized RMS errors	1	2	3
1.0	0.336	0.341	0.062	0.483	0.483	0.0	0.0	0.0
2.0	0.671	0.673	0.079	0.934	0.477	5.0	0.0	0.0
3.0	1.006	1.009	0.100	1.428	0.476	7.5	2.5	0.0
4.0	1.343	1.340	0.124	1.901	0.475	8.8	5.0	1.3
Average	0.839	0.841	0.091	1.187	0.478	5.3	1.9	0.3