Text Entry by Gaze: Utilizing Eye Tracking
Päivi Majaranta and Kari-Jouko Räihä, University of Tampere, Tampere, Finland
9.1 INTRODUCTION
Text entry by eyes is essential for severely disabled people with motor disorders who have no other means of communication. By using a computer equipped with an eye-tracking device, people suffering from amyotrophic lateral sclerosis or the locked-in syndrome, for instance, can produce text by using the focus of gaze as a means of input.
In one sense, text entry by eye gaze is quite similar to any screen-based text entry technique, such as the on-screen keyboards used with tablet PCs. The interface is more or less the same, only the interaction technique for pointing and selecting changes. ...
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