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Refreshable Tactile Displays for Accessible Data Visualisation
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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.
Forward citations
Cited by 4 Pith papers
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Skeleton: Visual Authoring of Non-visual Data Experiences
Skeleton is a visual authoring tool that exposes the hidden navigation structure of accessible charts, and an eight-practitioner study finds this visibility shifts accessibility work from compliance toward design.
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Conversational Tactile Data Interfaces: Co-Designing Accessible Data Experiences with Blind Users Using Refreshable Tactile Displays and Conversational AI
A co-designed system called Graphy shows that blind users read charts primarily by touch and use a voice agent for calculations, verifying answers by tracing the tactile chart.
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Supporting Multimodal Data Interaction on Refreshable Tactile Displays: An Architecture to Combine Touch and Conversational AI
A multimodal architecture fuses touch on a refreshable tactile display with a conversational AI agent, enabling deictic chart queries such as "what is the trend between these points?"
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Accessible Data Access and Analysis by People who are Blind or Have Low Vision
A research agenda and preliminary study propose a multimodal system pairing tactile graphics with a conversational agent to support data analysis for blind and low vision users.
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