Refreshable Tactile Displays for Accessible Data Visualisation
Leona Holloway, Peter Cracknell, Kate Stephens, Melissa Fanshawe,, Samuel Reinders, Kim Marriott, Matthew Butler

TL;DR
This paper explores the potential of refreshable tactile displays to improve accessible data visualization for blind and low vision users, highlighting stakeholder perspectives and future opportunities.
Contribution
It provides a comprehensive stakeholder perspective on RTDs and offers guidance for the data visualization community to enhance accessibility.
Findings
RTDs can generate a large variety of graphics easily.
Stakeholders see RTDs as promising for accessibility.
Recommendations for integrating RTDs into accessible visualization
Abstract
Refreshable tactile displays (RTDs) are predicted to soon become a viable option for the provision of accessible graphics for people who are blind or have low vision (BLV). This new technology for the tactile display of braille and graphics, usually using raised pins, makes it easier to generate and access a large number of graphics. However, it differs from existing tactile graphics in terms of scale, height and fidelity. Here, we share the perspectives of four key stakeholders -- blind touch readers, vision specialist teachers, accessible format producers and assistive technology providers -- to explore the potential uses, advantages and needs relating to the introduction of RTDs. We also provide advice on what role the data visualisation community can take to help ensure that people who are BLV are best able to benefit from the introduction of affordable RTDs.
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Taxonomy
TopicsTactile and Sensory Interactions
