TADA: Making Node-link Diagrams Accessible to Blind and Low-Vision People

Zhao, Yichun; Nacenta, Miguel A; Sukhai, Mahadeo A.; Somanath, Sowmya

doi:10.1145/3613904.3642222

Proceedings of the CHI Conference on Human Factors in Computing Systems 2024

DOI: 10.1145/3613904.3642222

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TADA: Making Node-link Diagrams Accessible to Blind and Low-Vision People

Yichun Zhao,

Miguel A Nacenta,

Mahadeo A. Sukhai

et al.

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2024

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Cited by 4 publications

References 94 publications

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ChartA11y: Designing Accessible Touch Experiences of Visualizations with Blind Smartphone Users

Zhang,

Thompson,

Shah

et al. 2024

The 26th International ACM SIGACCESS Conference on Computers and Accessibility

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We introduce ChartA11y, an app developed to enable accessible 2-D visualizations on smartphones for blind users through a participatory and iterative design process involving 13 sessions with two blind partners. We also present a design journey for making accessible touch experiences that go beyond simple auditory feedback, incorporating multimodal interactions and multisensory data representations. Together, ChartA11y aimed at providing direct chart accessing and comprehensive chart understanding by applying a two-mode setting: a semantic navigation framework mode and a direct touch mapping mode. By re-designing traditional touch-to-audio interactions, ChartA11y also extends to accessible scatter plots, addressing the under-explored challenges posed by their non-linear data distribution. Our main contributions encompass the detailed participatory design process and the resulting system, ChartA11y, offering a novel approach for blind users to access visualizations on their smartphones. CCS CONCEPTS• Human-centered computing → Human computer interaction (HCI); Accessibility technologies; Visualization systems and tools.

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ChartA11y: Designing Accessible Touch Experiences of Visualizations with Blind Smartphone Users

Zhang,

Thompson,

Shah

et al. 2024

The 26th International ACM SIGACCESS Conference on Computers and Accessibility

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Speech-based Mark for Data Sonification

Zhao,

Lu,

Nacenta

2024

The 26th International ACM SIGACCESS Conference on Computers and Accessibility

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Grouping Effect for Bar Graph Summarization for People with Visual Impairments

Kakehi,

Iwamura,

Minatani

et al. 2024

The 26th International ACM SIGACCESS Conference on Computers and Accessibility

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TADA: Making Node-link Diagrams Accessible to Blind and Low-Vision People

Cited by 4 publications

References 94 publications

ChartA11y: Designing Accessible Touch Experiences of Visualizations with Blind Smartphone Users

ChartA11y: Designing Accessible Touch Experiences of Visualizations with Blind Smartphone Users

Speech-based Mark for Data Sonification

Grouping Effect for Bar Graph Summarization for People with Visual Impairments

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