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        Automated interpretation and accessible presentation of technical diagrams for blind people

        Author
        Horstmann, M.
        Lorenz, M.
        Watkowski, A.
        Ioannidis, G.
        Herzog, O.
        King, A.
        Evans, D.G.
        Hagen, C.
        Schlieder, C.
        Burn, Anne-Marie
        King, N.
        Petrie, H.
        Dijkstra, S.
        Crombie, D.
        Attention
        2299/10709
        Abstract
        The EU-supported TeDUB (Technical Drawings Understanding for the Blind) project is developing a software system that aims to make technical diagrams accessible to blind and visually impaired people. It consists of two separate modules: one that analyses drawings either semi-automatically or automatically, and one that presents the results of this analysis to blind people and allows them to interact with it. The system is capable of analysing and presenting diagrams from a number of formally defined domains. A diagram enters the system as one of two types: first, diagrams contained in bitmap images, which do not explicitly contain the semantic structure of their content and thus have to be interpreted by the system, and second, diagrams obtained in a semantically enriched format that already yields this structure. The TeDUB system provides blind users with an interface to navigate and annotate these diagrams using a number of input and output devices. Extensive user evaluations have been carried out and an overall positive response from the participants has shown the effectiveness of the approach.
        Publication date
        2004-12-01
        Published in
        New Review of Hypermedia and Multimedia
        Published version
        https://doi.org/10.1080/13614560512331326017
        Other links
        http://hdl.handle.net/2299/10709
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