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• "With most of it being pictures now, I rarely use it": Understanding Twitter's Evolving Accessibility to Blind Users

  Meredith Ringel Morris, Annuska Zolyomi, Catherine Yao, Sina Bahram, Jeffrey P. Bigham, Shaun K. Kane · 2016 · Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (CHI 2016)

  This multi-method study examines how blind people use Twitter and the accessibility barriers they face as the platform shifts from text-based to increasingly image-heavy content. The researchers combined an online survey of 132 blind Twitter users, large-scale analysis of six…

  social media accessibility · blind users · alternative text · image description · Twitter

• VizLens: A Robust and Interactive Screen Reader for Interfaces in the Real World

  Anhong Guo, Xiang "Anthony" Chen, Haoran Qi, Samuel White, Suman Ghosh, Chieko Asakawa, Jeffrey P. Bigham · 2016 · Proceedings of the 29th Annual Symposium on User Interface Software and Technology (UIST 2016)

  This paper introduces VizLens, a system that functions as a screen reader for physical interfaces in the real world, enabling blind people to independently use inaccessible appliances like microwaves, thermostats, kiosks, and checkout terminals. VizLens deeply integrates…

  visual accessibility · computer vision · crowdsourcing · blind users · physical interfaces

• WearWrite: Crowd-Assisted Writing from Smartwatches

  Michael Nebeling, Alexandra To, Anhong Guo, Adrian A. de Freitas, Jaime Teevan, Steven P. Dow, Jeffrey P. Bigham · 2016 · Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (CHI 2016)

  WearWrite is a system that enables users to write documents from their smartwatches by leveraging crowd workers to translate ideas into text. The system addresses the fundamental limitation that smartwatches have severely constrained input/output — touch-based text input is…

  crowdsourcing · wearable technology · human computation · collaborative writing · mobile accessibility

• NavCog: A Navigational Cognitive Assistant for the Blind

  Dragan Ahmetovic, Cole Gleason, Chengxiong Ruan, Kris Kitani, Hironobu Takagi, Chieko Asakawa · 2016 · Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI '16)

  This paper introduces NavCog, an iPhone-based turn-by-turn navigation assistant designed to guide blind users through unfamiliar indoor and outdoor environments without requiring expensive infrastructure or structural modifications. The authors argue that while blind travellers…

  blind navigation · indoor navigation · wayfinding · orientation and mobility · assistive technology