Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
76 results found tagged data visualization.
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The Audio Abacus: Representing Numerical Values with Nonspeech Sound for the Visually Impaired
This paper introduces the Audio Abacus, a novel sonification application that transforms exact numerical values into sequences of non-speech tones, following the analogy of a physical abacus where each digit is represented by a distinct sound. Unlike…
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Multimodal Virtual Reality Versus Printed Medium in Visualization for Blind People
This paper presents a comparative evaluation of two approaches for making bar chart data accessible to blind and visually impaired people: traditional raised tactile diagrams and a multimodal virtual reality system. The VR system combines a SensAble …
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Constructing Sonified Haptic Line Graphs for the Blind Student: First Steps
This paper presents early research from the University of Glasgow's MultiVis project, a three-year initiative investigating how different sensory modalities can make statistical information representations accessible to blind people. The focus is on …
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Technology Devices for Older Adults to Aid Self Management of Chronic Health Conditions
This University of Dundee study investigates older adults' opinions and attitudes toward technology devices that could be used as part of a telecare system for self-managing chronic health conditions. The research was conducted through technology eva…
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Tactile Chart Generation Tool
This paper presents a Java application that automatically generates tactile bar and pie charts from raw data values provided in a formatted text file. Developed in collaboration with Vision Australia, the tool addresses the time-consuming and expensi…
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Lessons from an evaluation of a domestic well-being indicator system
This short paper presents an evaluation of a domestic well-being indicator system designed to present sensor-collected data from older people's homes through two distinct user interfaces — one for the older person and one for their carer. The system …
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TAIG: textually accessible information graphics
This short paper presents TAIG (Textually Accessible Information Graphics), a system designed to make bar charts and other information graphics accessible to people with visual impairments by generating coherent natural language summaries. TAIG exten…
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Making Microsoft Excel Accessible: Multimodal Presentation of Charts
This paper presents a system for making Microsoft Excel charts accessible to people with visual impairments through a combination of haptic force feedback and audio cues. The authors identify that while screen readers and specialised tools can handle…
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Understanding the Challenges and Opportunities for Richer Descriptions of Stereotypical Behaviors of Children with ASD: A Concept Exploration and Validation
This paper from Georgia Institute of Technology explores the concept of a wearable sensor system that can tacitly collect contextual data — physiological state, environmental conditions, and location — and map it to occurrences of stereotypical behav…
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Evaluating a Tool for Improving Accessibility to Charts and Graphs
This paper presents two formative usability studies of iGraph-Lite, a natural language-based assistive technology that enables blind and visually impaired people to interact with statistical line graphs through keyboard commands and text-to-speech ou…