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• An Integrated System for Blind Day-to-Day Life Autonomy

  Hugo Fernandes, José Faria, Hugo Paredes, João Barroso · 2011 · Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2011)

  This demonstration paper presents nav4b, an integrated system designed to support the day-to-day autonomy of blind people by combining indoor/outdoor navigation guidance with object recognition in a single platform. Unlike existing solutions that require users to carry multiple…

  blindness · navigation · RFID · object recognition · white cane

• StopFinder: Improving the Experience of Blind Public Transit Riders with Crowdsourcing

  Sanjana Prasain · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This doctoral consortium paper presents StopFinder, a mobile system that uses crowdsourcing to collect and provide information about non-visual landmarks around bus stops for blind public transit riders. The research addresses a fundamental challenge: while people who are blind…

  blindness and low vision · crowdsourcing · navigation · public transportation · mobile accessibility

• Situation-based Indoor Wayfinding System for the Visually Impaired

  Eunjeong Ko, Jin Sun Ju, Eun Yi Kim · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents an indoor wayfinding system for visually impaired people that uses situation-aware color codes affixed to building walls to guide users to destinations in unfamiliar environments. The key innovation is a situation-based approach: rather than providing all…

  blindness and low vision · indoor navigation · wayfinding · computer vision · assistive technology

• Supporting Spatial Awareness and Independent Wayfinding for Pedestrians with Visual Impairments

  Rayoung Yang, Sangmi Park, Sonali R. Mishra, Zhenan Hong, Clint Newsom, Hyeon Joo, Erik Hofer, Mark W. Newman · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents Talking Points 3 (TP3), a location- and orientation-aware smartphone system designed to increase the "legibility" of indoor environments for pedestrians with visual impairments, fostering spatial awareness rather than simply providing turn-by-turn directions.…

  blindness and low vision · wayfinding · indoor navigation · spatial cognition · mobile accessibility

• Improving Public Transit Accessibility for Blind Riders: A Train Station Navigation Assistant

  Markus Guentert · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2011)

  This short paper presents a prototype iPhone application designed to help blind people navigate inside train stations — an environment where GPS is unavailable and orientation is particularly challenging. The author's motivation comes from interviews with blind users and a…

  blindness · indoor navigation · public transit · iPhone · wayfinding

• Navigation and Obstacle Avoidance Help (NOAH) for Older Adults with Cognitive Impairment: A Pilot Study

  Pooja Viswanathan, James J. Little, Alan K. Mackworth, Alex Mihailidis · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2011)

  This paper describes NOAH (Navigation and Obstacle Avoidance Help), an intelligent powered wheelchair system designed to provide adaptive navigation assistance to older adults with cognitive impairment in long-term care settings. An estimated 60-80% of residents in long-term…

  intelligent wheelchair · dementia · cognitive impairment · collision avoidance · wayfinding

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