Optical Mouse Sensor for Eye Blink Detection and Pupil Tracking: Application in a Low-Cost Eye-Controlled Pointing Device

Table 4

Results in the adjustment for each volunteer.

User	Adjustment time (s)	Pupil diameter (pixels)	Reference position
1	16	5.3	(15.4, 15.1)
2	26	4.6	(15.1, 14.8)
3	54	6.0	(14.8, 16.8)
4	28	4.6	(15.9, 15.6)
5	33	5.6	(15.3, 14.8)
6	36	6.3	(14.8, 15.2)
7	19	5.6	(15.6, 13.8)
8	48	6.0	(14.1, 14.0)
Average	33	5.5	(15.1, 15.0)