Table 6.

Gaze tracking errors in horizontal and vertical directions by combined gaze-tracing algorithm.

	Coordinate Error	H	V
	User
User 1		0.48	0.49
User 2		0.52	0.54
User 3		0.37	0.48
User 4		0.48	0.51
User 5		0.49	0.58
User 6		0.53	0.57
User 7		0.59	0.71
User 8		0.49	0.53
Average		0.49	0.55