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  • 1.
    Darányi, Sándor
    et al.
    University of Borås, Faculty of Librarianship, Information, Education and IT.
    Olson, Nasrine
    University of Borås, Faculty of Librarianship, Information, Education and IT.
    Lindell, Eva
    University of Borås, Faculty of Textiles, Engineering and Business.
    Persson, Nils-Krister
    University of Borås, Faculty of Textiles, Engineering and Business.
    Riga, Marina
    Kontopoulos, Efstratios
    Kompatsiaris, Ioannis
    Communicating Semantic Content to Persons with Deafblindness by Haptograms and Smart Textiles: Theoretical Approach and Methodology2020In: International Journal on Advances in Intelligent Systems, E-ISSN 1942-2679, Vol. 13, no 1&2, p. 103-113Article in journal (Refereed)
    Abstract [en]

    By means of a proof-of-concept prototype, which is work in progress, we adopted a multidisciplinary approach to develop a smart-textile-based communication system for use by people with deafblindness. In this system, sensor technologies and computer vision are used to detect environmental cues such as presence of obstacles, faces, objects, etc. Focusing on the communication module here, a new ontology connects visual analytics with the user to label detected semantic content about objects, persons and situations for navigation and situational awareness. Such labelled content is then translated to a haptogram vocabulary with static vs. dynamic patterns, which are mapped to the body. A haptogram denotes a tactile symbol composed over a touchscreen, its dynamic nature referring to the act of writing or drawing. A vest made of smart textile, in the current variant equipped with a 4 x 4 grid of vibrotactile actuators, is used to transmit haptograms on the user’s back. Thereby system messages of different complexity -- both alerts and short sentences -- can be received by the user, who then has the option to respond by pre-coded questions and messages. By means of grids with more actuators, displays with higher resolution can be implemented and tested, paving the way for an extended haptogram vocabulary, covering more detailed ontology content.

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