A Field Study on Spontaneous Gaze-based Interaction with a Public Display using Pursuits

Mohamed Khamis, Florian Alt, Andreas Bulling

Adj. Proc. ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), pp. 865-874, 2015.

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Abstract

Smooth pursuit eye movements were recently introduced as a promising technique for calibration-free and thus spontaneous and natural gaze interaction. While pursuits have been evaluated in controlled laboratory studies, the technique has not yet been evaluated with respect to usability in the wild. We report on a field study in which we deployed a game on a public display where participants used pursuits to select fish moving in linear and circular trajectories at different speeds. The study ran for two days in a busy computer lab resulting in a total of 56 interactions. Results from our study show that linear trajectories are statistically faster to select via pursuits than circular trajectories. We also found that pursuits is well perceived by users who find it fast and responsive.

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