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Brief Communications
Nature 418, 838 (22 August 2002) | doi:10.1038/418838a
Artificial intelligence: Fast hands-free writing by gaze direction
David J. Ward & David J. C. MacKay
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Abstract
Here we describe a method for text entry based on inverse arithmetic coding that relies on gaze direction alone and which is faster and more accurate than using an on-screen keyboard. These benefits are derived from two innovations: the writing task is matched to the capabilities of the eye, and a language model is used to make predictable words and phrases easier to write.
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