Look and lean: accurate head-assisted eye pointing
Oleg Spakov, Poika Isokoski, Paivi Majaranta
Proceedings of the Symposium on Eye Tracking Research and Applications, 2014, pp. 35--42.
Abstract: Compared to the mouse, eye pointing is inaccurate. As a consequence, small objects are difficult to point by gaze alone. We suggest using a combination of eye pointing and subtle head movements to achieve accurate hands-free pointing in a conventional desktop computing environment. For tracking the head movements, we exploited information of the eye position in the eye tracker's camera view. We conducted a series of three experiments to study the potential caveats and benefits of using head movements to adjust gaze cursor position. Results showed that head-assisted eye pointing significantly improves the pointing accuracy without a negative impact on the pointing time. In some cases participants were able to point almost 3 times closer to the target's center, compared to the eye pointing alone (7 vs. 19 pixels). We conclude that head assisted eye pointing is a comfortable and potentially very efficient alternative for other assisting methods in the eye pointing, such as zooming.
@inproceedings{10.1145-2578153.2578157,
author = {Oleg Spakov and Poika Isokoski and Paivi Majaranta},
title = {Look and lean: accurate head-assisted eye pointing},
booktitle = {Proceedings of the Symposium on Eye Tracking Research and Applications},
pages = {35--42},
year = {2014},
}
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