Table 1. Performance scores and head motion of the individual subjects.

Subject index	Performance score (%)	Average Frame Displacement (mm)
1	95.9	0.081
2	85.64	0.058
3	78.75	0.062
4	76.6	0.102
5	90.06	0.105
6	83.59	0.085
7	80.13	0.100
8	88.46	0.108
9	92.27	0.088
10	90.48	0.097