Abstract
We propose a method for the estimation of point of gaze with neither user- nor environment-dependent parameters. The gaze direction is calculated from the centers of both the pupil and the eye rotation. The center of the eye rotation is determined using the centers of both the pupil and the iris and the edge of the iris when at least four calibration targets, for which only the distances between them are known, are fixated on the screen. The mean horizontal and vertical errors for seven subjects were 0.91 deg and 0.77 deg, respectively. Next, a point-and-click interface, in which a user can move a cursor by a gaze shift and click a computer mouse by a voluntary eye blink or short fixation, was developed. On average, it took 1.2, 0.9, and 0.8 sec to point and click for each target with eye blink, short fixation, and normal hand manipulation, respectively.
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Hikita, S., Seto, Y. (2013). Point-and-Click Interface Based on Parameter-Free Eye Tracking Technique Using a Single Camera. In: Stephanidis, C. (eds) HCI International 2013 - Posters’ Extended Abstracts. HCI 2013. Communications in Computer and Information Science, vol 373. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39473-7_121
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DOI: https://doi.org/10.1007/978-3-642-39473-7_121
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-39472-0
Online ISBN: 978-3-642-39473-7
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