ACM Link
Abstract
To date, several eye input methods have been developed, which, however, are usually designed for specific purposes (e.g. typing) and require dedicated graphical interfaces. In this paper we present Eye-S, a system that allows general input to be provided to the computer through a pure eye-based approach. Thanks to the “eye graffiti” communication style adopted, the technique can be used both for writing and for generating other kinds of commands. In Eye-S, letters and general eye gestures are created through sequences of fixations on nine areas of the screen, which we call hotspots. Being usually not visible, such sensitive regions do not interfere with other applications, that can therefore exploit all the available display space.
The Single Gaze Gestures article refers to this one and suggests an improvement:
In general the research has shown this approach to gaze gestures - where the complexity and range of gestures required for all letters and text editing functions, causes a heavy physiological and cognitive load – to be problematic. SSGs are an attempt at simplifying gestures to make them robust and reliable as well as keeping the cognitive load low.
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