Istituto di Scienza e Tecnologie dell'Informazione     
Buzzi M. C., Buzzi M., Leporini B., Senette C. Playing with geometry: a multimodal Android App for blind children. In: CHItaly 2015 - 11th Biannual Conference on Italian SIGCHI Chapter (Rome, Italy, 28-30 September 2015). Proceedings, pp. 134 - 137. ACM, 2015.
Geometry is a traditionally difficult subject to teach to visually impaired subjects. This paper investigates tools to help blind children learn geometry. An accessible vibro-tactile-based android application has been designed to allow children to make freehand drawings and play with geometry, recognizing common geometric shapes or topological configurations. An initial usability test of the application, performed by a blind researcher, has revealed some limitations of the proposed approach that could soon be overcome thanks to current technological innovation in the mobile world.
URL: http://dl.acm.org/citation.cfm?doid=2808435.2808458
DOI: 10.1145/2808435.2808458
Subject Blind
Multimodal interaction
Visual impairment
K.4.2 Social Issues. Assistive technologies for persons with disabilities

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