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Exploring Low-Cost Materials to Make Pattern-Based Lock-Screens Accessible for Users with Visual Impairments or Deafblindness

  • Nowadays, the wide majority of Europeans uses smartphones. However, touch displays are still not accessible by everyone. Individuals with deafblindness, for example, often face difculties in accessing vision-based touchscreens. Moreover, they typically have few fnancial resources which increases the need for customizable, low-cost assistive devices. In this work-in-progress, we present fourNowadays, the wide majority of Europeans uses smartphones. However, touch displays are still not accessible by everyone. Individuals with deafblindness, for example, often face difculties in accessing vision-based touchscreens. Moreover, they typically have few fnancial resources which increases the need for customizable, low-cost assistive devices. In this work-in-progress, we present four prototypes made from low-cost, every-day materials, that make modern pattern lock mechanisms more accessible to individuals with vision impairments or even with deafblindness. Two out of four prototypes turned out to be functional tactile overlays for accessing digital 4-by-4 grids that are regularly used to encode dynamic dot patterns. In future work, we will conduct a user study investigating whether these two prototypes can make dot-based pattern lock mechanisms more accessible for individuals with visual impairments or deafblindness.show moreshow less

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Author:Lea BuchweitzGND, Arthur TheilORCiD, James Gay, Oliver KornORCiDGND
Editor:Tiago Guerreiro, Hugo Nicolau, Karyn Moffatt
Creating Corporation:Association for Computing Machinery
Publisher:ACM Press
Place of publication:New York
Year of Publication:2020
Pagenumber:4
ISBN:978-1-4503-7103-2
Language:English
Tag:Assistive Technology; Deafblindness; Textile; Touch; Wearables
Parent Title (English):Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS ’20)
First Page:Artikel 69
Document Type:Conference Proceeding
Open Access:Frei zugänglich
Institutes:Bibliografie
Release Date:2020/12/17
Licence (German):License LogoEs gilt das UrhG
Note:
Konferenz: ASSETS '20. The 22nd International ACM SIGACCESS Conference on Computers and Accessibility, Virtual Event, Greece, October 2020
DOI:https://doi.org/10.1145/3373625.3418020