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Soto, Mauro Avila, Voit, Alexandra, Hassan, Ahmed Shereen, Schmidt, Albrecht ORCID logoORCID: https://orcid.org/0000-0003-3890-1990 and Machulla, Tonja (2018): Self-Identifying Tactile Overlays. In: Assets'18: Proceedings of the 20Th International Acm Sigaccess Conference on Computers and Accessibility: pp. 423-425

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Tactile overlays for touch-screen devices are an opportunity to display content for users with visual impairments. However, when users switch tactile overlays, the displayed content on the touch-screen devices still correspond to the previous overlay. Currently, users have to change the displayed content on the touch screen devices manually which hinders a fluid user interaction. In this paper, we introduce self-identifying overlays - an automated method for touch-screen devices to identify tactile overlays placed on the screen and to adapt the displayed content based on the applied tactile overlay. We report on a pilot study with two participants with visual impairments to evaluate this approach with a functional content exploration application based on an adapted textbook.

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