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Title: Development of a computer writing system based on EOG
Authors: López, A.
Ferrero, F.
Yangüela, D.
Álvarez, C.
Postolache, O.
Keywords: Electro-oculography (EOG)
Eye movement
Human-computer interface (HCI)
Signal acquisition
Wavelet transform
Issue Date: 2017
Publisher: Multidisciplinary Digital Publishing Institute
Abstract: The development of a novel computer writing system based on eye movements is introduced herein. A system of these characteristics requires the consideration of three subsystems: (1) A hardware device for the acquisition and transmission of the signals generated by eye movement to the computer; (2) A software application that allows, among other functions, data processing in order to minimize noise and classify signals; and (3) A graphical interface that allows the user to write text easily on the computer screen using eye movements only. This work analyses these three subsystems and proposes innovative and low cost solutions for each one of them. This computer writing system was tested with 20 users and its efficiency was compared to a traditional virtual keyboard. The results have shown an important reduction in the time spent on writing, which can be very useful, especially for people with severe motor disorders.
Peer reviewed: yes
DOI: 10.3390/s17071505
ISSN: 1424-8220
Accession number: WOS:000407517600044
Appears in Collections:IT-RI - Artigo em revista internacional com arbitragem científica

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