PMC5406466_01
Locations of the calibration points in the (head centered) visual field. Note that instead of multiple targets, we used a single target (on the tripod, at fixation point 8). The participant was instructed to adopt different head poses that moved the target to different locations in the visual field.
fpsyg-08-00620-g0001.jpg
PMC5406466_01_fpsyg-08-00620-g0001.jpg
F1
The eye tracker was calibrated using 15 points in the visual field (Figure 1).