Istituto di Scienza e Tecnologie dell'Informazione     
Senette C., Buzzi M. C., Buzzi M., Leporini B., Martusciello L. Enriching graphic maps to enable multimodal interaction by blind people. In: UAHCI 2013 - 7th International Conference on Universal Access in Human-Computer Interaction (Las Vegas, NV, USA, July 21-26 2013). Proceedings, pp. 576 - 583. Constantine Stephanidis and Margherita Antona (eds.). (Lecture Notes in Computer Science, vol. 8009). Springer, 2013.
Geographical maps are by their nature inherently inaccessible to blind users since the information is conveyed mainly in a visual way. The attempt to convert all the information to an alternative modality allowing satisfactory exploration by blind people is a very active field of research. Several studies offer interesting solutions currently only available as prototypes. The work described herein investigates multimodality, focusing on the tactile interaction skills of a blind subject. Given the difficulty of rendering all the information available in a generic map in a tactile and/or text (Braille) format, the challenge is to provide additional substantial information content through different means: speech synthesizer, text or sound alerts and vibration events that the user may call as needed. A further challenge of our work is to make a map opportunely modified to "speak" for itself, without using dedicated devices, through web technologies and the possibility of easily developing programs for Android-based mobile devices.
URL: http://link.springer.com/chapter/10.1007%2F978-3-642-39188-0_62
DOI: 10.1007/978-3-642-39188-0_62
Subject Blind visual impairment
Tactile maps
Graphics maps
Multimodal interaction
K.4.2 Social Issues: Handicapped persons/special needs. Accessibility

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