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2018 | OriginalPaper | Buchkapitel

Touchless Virtual Keyboard Controlled by Eye Blinking and EEG Signals

verfasst von : Krzysztof Dobosz, Klaudiusz Stawski

Erschienen in: Man-Machine Interactions 5

Verlag: Springer International Publishing

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Abstract

The paper describes the idea of touchless virtual keyboard designed for disabled people with tetraparesis. Each key can be selected by three double eye blinks registered by EMG sensor. EEG signals are used as a support that allows the user to change the input mode of single characters to the mode of predicted words selection. The keyboard was implemented and evaluated during provided experiments. Obtained result (\(WPM=1.11\)) partially confirms the calculated typing speed (\(WPM=1.23\)). It is also found that the keyboard efficiency can be improved by using a list of predicted words, even the number of those words is low and they are short (\(WPM=1.27\)). Provided discuss presents that improved keyboard used by experienced users could achieve the typing efficiency even up to \(WPM=3.15\).

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Metadaten
Titel
Touchless Virtual Keyboard Controlled by Eye Blinking and EEG Signals
verfasst von
Krzysztof Dobosz
Klaudiusz Stawski
Copyright-Jahr
2018
DOI
https://doi.org/10.1007/978-3-319-67792-7_6

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